Home / 47,908.80-71,530.20-40,363.20

Finding the Fourth Proportional to 47,908.80, 71,530.20 and 40,363.20

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Solution

The fourth proportional to 47,908.80, 71,530.20 and 40,363.20 is: 60,264.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,908.80 : 71,530.20 = 40,363.20 : x
  2. Step 2: Convert to fraction form
    47,908.80/71,530.20 = 40,363.20/x
  3. Step 3: Cross multiply
    47,908.80x = 71,530.20 × 40,363.20
  4. Step 4: Simplify right side
    47,908.80x = 2,887,187,768.64
  5. Step 5: Solve for x
    x = 2,887,187,768.64/47,908.80
  6. Step 6: Final answer
    x = 60,264.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.