Home / 38,021.96-52,465.70-21,023.91

Finding the Fourth Proportional to 38,021.96, 52,465.70 and 21,023.91

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Solution

The fourth proportional to 38,021.96, 52,465.70 and 21,023.91 is: 29,010.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,021.96 : 52,465.70 = 21,023.91 : x
  2. Step 2: Convert to fraction form
    38,021.96/52,465.70 = 21,023.91/x
  3. Step 3: Cross multiply
    38,021.96x = 52,465.70 × 21,023.91
  4. Step 4: Simplify right side
    38,021.96x = 1,103,034,049.77
  5. Step 5: Solve for x
    x = 1,103,034,049.77/38,021.96
  6. Step 6: Final answer
    x = 29,010.45

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Half scale
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Double scale
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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.