Home / 39,374.10-54,336.29-21,469.14

Finding the Fourth Proportional to 39,374.10, 54,336.29 and 21,469.14

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Solution

The fourth proportional to 39,374.10, 54,336.29 and 21,469.14 is: 29,627.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,374.10 : 54,336.29 = 21,469.14 : x
  2. Step 2: Convert to fraction form
    39,374.10/54,336.29 = 21,469.14/x
  3. Step 3: Cross multiply
    39,374.10x = 54,336.29 × 21,469.14
  4. Step 4: Simplify right side
    39,374.10x = 1,166,553,309.74
  5. Step 5: Solve for x
    x = 1,166,553,309.74/39,374.10
  6. Step 6: Final answer
    x = 29,627.43

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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.