Home / 48,302.40-72,367.20-29,812.80

Finding the Fourth Proportional to 48,302.40, 72,367.20 and 29,812.80

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Solution

The fourth proportional to 48,302.40, 72,367.20 and 29,812.80 is: 44,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,302.40 : 72,367.20 = 29,812.80 : x
  2. Step 2: Convert to fraction form
    48,302.40/72,367.20 = 29,812.80/x
  3. Step 3: Cross multiply
    48,302.40x = 72,367.20 × 29,812.80
  4. Step 4: Simplify right side
    48,302.40x = 2,157,468,860.16
  5. Step 5: Solve for x
    x = 2,157,468,860.16/48,302.40
  6. Step 6: Final answer
    x = 44,665.87

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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.