Home / 39,302.49-54,237.11-21,397.46

Finding the Fourth Proportional to 39,302.49, 54,237.11 and 21,397.46

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Solution

The fourth proportional to 39,302.49, 54,237.11 and 21,397.46 is: 29,528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,302.49 : 54,237.11 = 21,397.46 : x
  2. Step 2: Convert to fraction form
    39,302.49/54,237.11 = 21,397.46/x
  3. Step 3: Cross multiply
    39,302.49x = 54,237.11 × 21,397.46
  4. Step 4: Simplify right side
    39,302.49x = 1,160,536,391.74
  5. Step 5: Solve for x
    x = 1,160,536,391.74/39,302.49
  6. Step 6: Final answer
    x = 29,528.32

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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.