Home / 60,253.60-90,382.32-20,812.96

Finding the Fourth Proportional to 60,253.60, 90,382.32 and 20,812.96

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Solution

The fourth proportional to 60,253.60, 90,382.32 and 20,812.96 is: 31,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,253.60 : 90,382.32 = 20,812.96 : x
  2. Step 2: Convert to fraction form
    60,253.60/90,382.32 = 20,812.96/x
  3. Step 3: Cross multiply
    60,253.60x = 90,382.32 × 20,812.96
  4. Step 4: Simplify right side
    60,253.60x = 1,881,123,610.87
  5. Step 5: Solve for x
    x = 1,881,123,610.87/60,253.60
  6. Step 6: Final answer
    x = 31,220.10

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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.