Home / 38,445.59-53,057.28-21,449.86

Finding the Fourth Proportional to 38,445.59, 53,057.28 and 21,449.86

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Solution

The fourth proportional to 38,445.59, 53,057.28 and 21,449.86 is: 29,602.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,445.59 : 53,057.28 = 21,449.86 : x
  2. Step 2: Convert to fraction form
    38,445.59/53,057.28 = 21,449.86/x
  3. Step 3: Cross multiply
    38,445.59x = 53,057.28 × 21,449.86
  4. Step 4: Simplify right side
    38,445.59x = 1,138,071,353.57
  5. Step 5: Solve for x
    x = 1,138,071,353.57/38,445.59
  6. Step 6: Final answer
    x = 29,602.13

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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.