Home / 55,160.20-82,740.30-40,472.20

Finding the Fourth Proportional to 55,160.20, 82,740.30 and 40,472.20

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Solution

The fourth proportional to 55,160.20, 82,740.30 and 40,472.20 is: 60,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,160.20 : 82,740.30 = 40,472.20 : x
  2. Step 2: Convert to fraction form
    55,160.20/82,740.30 = 40,472.20/x
  3. Step 3: Cross multiply
    55,160.20x = 82,740.30 × 40,472.20
  4. Step 4: Simplify right side
    55,160.20x = 3,348,681,969.66
  5. Step 5: Solve for x
    x = 3,348,681,969.66/55,160.20
  6. Step 6: Final answer
    x = 60,708.30

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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.