Home / 36,320.80-54,416.40-29,711.20

Finding the Fourth Proportional to 36,320.80, 54,416.40 and 29,711.20

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Solution

The fourth proportional to 36,320.80, 54,416.40 and 29,711.20 is: 44,513.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,320.80 : 54,416.40 = 29,711.20 : x
  2. Step 2: Convert to fraction form
    36,320.80/54,416.40 = 29,711.20/x
  3. Step 3: Cross multiply
    36,320.80x = 54,416.40 × 29,711.20
  4. Step 4: Simplify right side
    36,320.80x = 1,616,776,543.68
  5. Step 5: Solve for x
    x = 1,616,776,543.68/36,320.80
  6. Step 6: Final answer
    x = 44,513.79

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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.