Home / 39,372.18-54,332.42-21,467.53

Finding the Fourth Proportional to 39,372.18, 54,332.42 and 21,467.53

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Solution

The fourth proportional to 39,372.18, 54,332.42 and 21,467.53 is: 29,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,372.18 : 54,332.42 = 21,467.53 : x
  2. Step 2: Convert to fraction form
    39,372.18/54,332.42 = 21,467.53/x
  3. Step 3: Cross multiply
    39,372.18x = 54,332.42 × 21,467.53
  4. Step 4: Simplify right side
    39,372.18x = 1,166,382,937.66
  5. Step 5: Solve for x
    x = 1,166,382,937.66/39,372.18
  6. Step 6: Final answer
    x = 29,624.55

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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.