Home / 40,920.15-61,341.17-23,356.11

Finding the Fourth Proportional to 40,920.15, 61,341.17 and 23,356.11

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Solution

The fourth proportional to 40,920.15, 61,341.17 and 23,356.11 is: 35,011.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,920.15 : 61,341.17 = 23,356.11 : x
  2. Step 2: Convert to fraction form
    40,920.15/61,341.17 = 23,356.11/x
  3. Step 3: Cross multiply
    40,920.15x = 61,341.17 × 23,356.11
  4. Step 4: Simplify right side
    40,920.15x = 1,432,690,997.27
  5. Step 5: Solve for x
    x = 1,432,690,997.27/40,920.15
  6. Step 6: Final answer
    x = 35,011.87

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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.