Home / 38,414.43-53,008.04-21,417.08

Finding the Fourth Proportional to 38,414.43, 53,008.04 and 21,417.08

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Solution

The fourth proportional to 38,414.43, 53,008.04 and 21,417.08 is: 29,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,414.43 : 53,008.04 = 21,417.08 : x
  2. Step 2: Convert to fraction form
    38,414.43/53,008.04 = 21,417.08/x
  3. Step 3: Cross multiply
    38,414.43x = 53,008.04 × 21,417.08
  4. Step 4: Simplify right side
    38,414.43x = 1,135,277,061.20
  5. Step 5: Solve for x
    x = 1,135,277,061.20/38,414.43
  6. Step 6: Final answer
    x = 29,553.40

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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.