Home / 81,358.02-122,054.88-24,429.42

Finding the Fourth Proportional to 81,358.02, 122,054.88 and 24,429.42

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Solution

The fourth proportional to 81,358.02, 122,054.88 and 24,429.42 is: 36,649.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,358.02 : 122,054.88 = 24,429.42 : x
  2. Step 2: Convert to fraction form
    81,358.02/122,054.88 = 24,429.42/x
  3. Step 3: Cross multiply
    81,358.02x = 122,054.88 × 24,429.42
  4. Step 4: Simplify right side
    81,358.02x = 2,981,729,926.57
  5. Step 5: Solve for x
    x = 2,981,729,926.57/81,358.02
  6. Step 6: Final answer
    x = 36,649.49

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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.