Home / 60,120.14-90,179.29-20,677.59

Finding the Fourth Proportional to 60,120.14, 90,179.29 and 20,677.59

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Solution

The fourth proportional to 60,120.14, 90,179.29 and 20,677.59 is: 31,016.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,120.14 : 90,179.29 = 20,677.59 : x
  2. Step 2: Convert to fraction form
    60,120.14/90,179.29 = 20,677.59/x
  3. Step 3: Cross multiply
    60,120.14x = 90,179.29 × 20,677.59
  4. Step 4: Simplify right side
    60,120.14x = 1,864,690,333.42
  5. Step 5: Solve for x
    x = 1,864,690,333.42/60,120.14
  6. Step 6: Final answer
    x = 31,016.07

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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.