Home / 40,777.20-61,162.83-11,192.49

Finding the Fourth Proportional to 40,777.20, 61,162.83 and 11,192.49

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Solution

The fourth proportional to 40,777.20, 61,162.83 and 11,192.49 is: 16,787.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,777.20 : 61,162.83 = 11,192.49 : x
  2. Step 2: Convert to fraction form
    40,777.20/61,162.83 = 11,192.49/x
  3. Step 3: Cross multiply
    40,777.20x = 61,162.83 × 11,192.49
  4. Step 4: Simplify right side
    40,777.20x = 684,564,363.15
  5. Step 5: Solve for x
    x = 684,564,363.15/40,777.20
  6. Step 6: Final answer
    x = 16,787.92

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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.