Home / 77,016.20-115,524.30-24,429.80

Finding the Fourth Proportional to 77,016.20, 115,524.30 and 24,429.80

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Solution

The fourth proportional to 77,016.20, 115,524.30 and 24,429.80 is: 36,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,016.20 : 115,524.30 = 24,429.80 : x
  2. Step 2: Convert to fraction form
    77,016.20/115,524.30 = 24,429.80/x
  3. Step 3: Cross multiply
    77,016.20x = 115,524.30 × 24,429.80
  4. Step 4: Simplify right side
    77,016.20x = 2,822,235,544.14
  5. Step 5: Solve for x
    x = 2,822,235,544.14/77,016.20
  6. Step 6: Final answer
    x = 36,644.70

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1.5x scale

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.