Home / 38,585.79-53,250.45-21,589.02

Finding the Fourth Proportional to 38,585.79, 53,250.45 and 21,589.02

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Solution

The fourth proportional to 38,585.79, 53,250.45 and 21,589.02 is: 29,794.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,585.79 : 53,250.45 = 21,589.02 : x
  2. Step 2: Convert to fraction form
    38,585.79/53,250.45 = 21,589.02/x
  3. Step 3: Cross multiply
    38,585.79x = 53,250.45 × 21,589.02
  4. Step 4: Simplify right side
    38,585.79x = 1,149,625,030.06
  5. Step 5: Solve for x
    x = 1,149,625,030.06/38,585.79
  6. Step 6: Final answer
    x = 29,794.00

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Half scale
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Double scale
Find fourth proportional to 38,586.79, 53,251.83 and 21,590.02
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.