Home / 39,251.97-54,168.18-21,347.04

Finding the Fourth Proportional to 39,251.97, 54,168.18 and 21,347.04

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Solution

The fourth proportional to 39,251.97, 54,168.18 and 21,347.04 is: 29,459.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251.97 : 54,168.18 = 21,347.04 : x
  2. Step 2: Convert to fraction form
    39,251.97/54,168.18 = 21,347.04/x
  3. Step 3: Cross multiply
    39,251.97x = 54,168.18 × 21,347.04
  4. Step 4: Simplify right side
    39,251.97x = 1,156,330,305.19
  5. Step 5: Solve for x
    x = 1,156,330,305.19/39,251.97
  6. Step 6: Final answer
    x = 29,459.17

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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.