Home / 40,046.98-55,262.12-22,139.57

Finding the Fourth Proportional to 40,046.98, 55,262.12 and 22,139.57

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Solution

The fourth proportional to 40,046.98, 55,262.12 and 22,139.57 is: 30,551.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,046.98 : 55,262.12 = 22,139.57 : x
  2. Step 2: Convert to fraction form
    40,046.98/55,262.12 = 22,139.57/x
  3. Step 3: Cross multiply
    40,046.98x = 55,262.12 × 22,139.57
  4. Step 4: Simplify right side
    40,046.98x = 1,223,479,574.09
  5. Step 5: Solve for x
    x = 1,223,479,574.09/40,046.98
  6. Step 6: Final answer
    x = 30,551.11

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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.