Home / 40,320.73-60,491.32-28,497.77

Finding the Fourth Proportional to 40,320.73, 60,491.32 and 28,497.77

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Solution

The fourth proportional to 40,320.73, 60,491.32 and 28,497.77 is: 42,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.73 : 60,491.32 = 28,497.77 : x
  2. Step 2: Convert to fraction form
    40,320.73/60,491.32 = 28,497.77/x
  3. Step 3: Cross multiply
    40,320.73x = 60,491.32 × 28,497.77
  4. Step 4: Simplify right side
    40,320.73x = 1,723,867,724.36
  5. Step 5: Solve for x
    x = 1,723,867,724.36/40,320.73
  6. Step 6: Final answer
    x = 42,753.88

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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.