Home / 39,965.12-55,151.88-22,060.13

Finding the Fourth Proportional to 39,965.12, 55,151.88 and 22,060.13

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Solution

The fourth proportional to 39,965.12, 55,151.88 and 22,060.13 is: 30,442.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,965.12 : 55,151.88 = 22,060.13 : x
  2. Step 2: Convert to fraction form
    39,965.12/55,151.88 = 22,060.13/x
  3. Step 3: Cross multiply
    39,965.12x = 55,151.88 × 22,060.13
  4. Step 4: Simplify right side
    39,965.12x = 1,216,657,642.54
  5. Step 5: Solve for x
    x = 1,216,657,642.54/39,965.12
  6. Step 6: Final answer
    x = 30,442.99

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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.