Home / 39,175.05-54,061.24-21,269.70

Finding the Fourth Proportional to 39,175.05, 54,061.24 and 21,269.70

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Solution

The fourth proportional to 39,175.05, 54,061.24 and 21,269.70 is: 29,352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,175.05 : 54,061.24 = 21,269.70 : x
  2. Step 2: Convert to fraction form
    39,175.05/54,061.24 = 21,269.70/x
  3. Step 3: Cross multiply
    39,175.05x = 54,061.24 × 21,269.70
  4. Step 4: Simplify right side
    39,175.05x = 1,149,866,356.43
  5. Step 5: Solve for x
    x = 1,149,866,356.43/39,175.05
  6. Step 6: Final answer
    x = 29,352.01

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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.