Home / 38,588.72-53,250.24-21,589.68

Finding the Fourth Proportional to 38,588.72, 53,250.24 and 21,589.68

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Solution

The fourth proportional to 38,588.72, 53,250.24 and 21,589.68 is: 29,792.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,588.72 : 53,250.24 = 21,589.68 : x
  2. Step 2: Convert to fraction form
    38,588.72/53,250.24 = 21,589.68/x
  3. Step 3: Cross multiply
    38,588.72x = 53,250.24 × 21,589.68
  4. Step 4: Simplify right side
    38,588.72x = 1,149,655,641.52
  5. Step 5: Solve for x
    x = 1,149,655,641.52/38,588.72
  6. Step 6: Final answer
    x = 29,792.53

Related Problems

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Half scale
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Double scale
Find fourth proportional to 38,589.72, 53,251.62 and 21,590.68
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.