Home / 48,087.12-72,120.96-40,272.24

Finding the Fourth Proportional to 48,087.12, 72,120.96 and 40,272.24

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Solution

The fourth proportional to 48,087.12, 72,120.96 and 40,272.24 is: 60,400.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,087.12 : 72,120.96 = 40,272.24 : x
  2. Step 2: Convert to fraction form
    48,087.12/72,120.96 = 40,272.24/x
  3. Step 3: Cross multiply
    48,087.12x = 72,120.96 × 40,272.24
  4. Step 4: Simplify right side
    48,087.12x = 2,904,472,610.15
  5. Step 5: Solve for x
    x = 2,904,472,610.15/48,087.12
  6. Step 6: Final answer
    x = 60,400.22

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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.