Home / 39,302.10-54,238.04-21,397.41

Finding the Fourth Proportional to 39,302.10, 54,238.04 and 21,397.41

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Solution

The fourth proportional to 39,302.10, 54,238.04 and 21,397.41 is: 29,529.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,302.10 : 54,238.04 = 21,397.41 : x
  2. Step 2: Convert to fraction form
    39,302.10/54,238.04 = 21,397.41/x
  3. Step 3: Cross multiply
    39,302.10x = 54,238.04 × 21,397.41
  4. Step 4: Simplify right side
    39,302.10x = 1,160,553,472.49
  5. Step 5: Solve for x
    x = 1,160,553,472.49/39,302.10
  6. Step 6: Final answer
    x = 29,529.04

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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.