Home / 39,132.95-54,006.14-22,137.20

Finding the Fourth Proportional to 39,132.95, 54,006.14 and 22,137.20

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Solution

The fourth proportional to 39,132.95, 54,006.14 and 22,137.20 is: 30,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,132.95 : 54,006.14 = 22,137.20 : x
  2. Step 2: Convert to fraction form
    39,132.95/54,006.14 = 22,137.20/x
  3. Step 3: Cross multiply
    39,132.95x = 54,006.14 × 22,137.20
  4. Step 4: Simplify right side
    39,132.95x = 1,195,544,722.41
  5. Step 5: Solve for x
    x = 1,195,544,722.41/39,132.95
  6. Step 6: Final answer
    x = 30,550.85

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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.