Home / 40,520.84-60,762.38-12,433.66

Finding the Fourth Proportional to 40,520.84, 60,762.38 and 12,433.66

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Solution

The fourth proportional to 40,520.84, 60,762.38 and 12,433.66 is: 18,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,520.84 : 60,762.38 = 12,433.66 : x
  2. Step 2: Convert to fraction form
    40,520.84/60,762.38 = 12,433.66/x
  3. Step 3: Cross multiply
    40,520.84x = 60,762.38 × 12,433.66
  4. Step 4: Simplify right side
    40,520.84x = 755,498,773.71
  5. Step 5: Solve for x
    x = 755,498,773.71/40,520.84
  6. Step 6: Final answer
    x = 18,644.70

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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.