Home / 80,670.42-121,005.56-24,510.30

Finding the Fourth Proportional to 80,670.42, 121,005.56 and 24,510.30

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Solution

The fourth proportional to 80,670.42, 121,005.56 and 24,510.30 is: 36,765.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,670.42 : 121,005.56 = 24,510.30 : x
  2. Step 2: Convert to fraction form
    80,670.42/121,005.56 = 24,510.30/x
  3. Step 3: Cross multiply
    80,670.42x = 121,005.56 × 24,510.30
  4. Step 4: Simplify right side
    80,670.42x = 2,965,882,577.27
  5. Step 5: Solve for x
    x = 2,965,882,577.27/80,670.42
  6. Step 6: Final answer
    x = 36,765.43

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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.