Home / 60,120.01-90,179.10-20,677.47

Finding the Fourth Proportional to 60,120.01, 90,179.10 and 20,677.47

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Solution

The fourth proportional to 60,120.01, 90,179.10 and 20,677.47 is: 31,015.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,120.01 : 90,179.10 = 20,677.47 : x
  2. Step 2: Convert to fraction form
    60,120.01/90,179.10 = 20,677.47/x
  3. Step 3: Cross multiply
    60,120.01x = 90,179.10 × 20,677.47
  4. Step 4: Simplify right side
    60,120.01x = 1,864,675,183.98
  5. Step 5: Solve for x
    x = 1,864,675,183.98/60,120.01
  6. Step 6: Final answer
    x = 31,015.88

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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.