Home / 40,983.70-61,475.55-38,521.30

Finding the Fourth Proportional to 40,983.70, 61,475.55 and 38,521.30

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Solution

The fourth proportional to 40,983.70, 61,475.55 and 38,521.30 is: 57,781.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,983.70 : 61,475.55 = 38,521.30 : x
  2. Step 2: Convert to fraction form
    40,983.70/61,475.55 = 38,521.30/x
  3. Step 3: Cross multiply
    40,983.70x = 61,475.55 × 38,521.30
  4. Step 4: Simplify right side
    40,983.70x = 2,368,118,104.22
  5. Step 5: Solve for x
    x = 2,368,118,104.22/40,983.70
  6. Step 6: Final answer
    x = 57,781.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.