Home / 39,965.20-55,151.67-22,060.20

Finding the Fourth Proportional to 39,965.20, 55,151.67 and 22,060.20

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Solution

The fourth proportional to 39,965.20, 55,151.67 and 22,060.20 is: 30,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,965.20 : 55,151.67 = 22,060.20 : x
  2. Step 2: Convert to fraction form
    39,965.20/55,151.67 = 22,060.20/x
  3. Step 3: Cross multiply
    39,965.20x = 55,151.67 × 22,060.20
  4. Step 4: Simplify right side
    39,965.20x = 1,216,656,870.53
  5. Step 5: Solve for x
    x = 1,216,656,870.53/39,965.20
  6. Step 6: Final answer
    x = 30,442.91

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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.