Home / 48,399.20-72,598.80-40,207.20

Finding the Fourth Proportional to 48,399.20, 72,598.80 and 40,207.20

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Solution

The fourth proportional to 48,399.20, 72,598.80 and 40,207.20 is: 60,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,399.20 : 72,598.80 = 40,207.20 : x
  2. Step 2: Convert to fraction form
    48,399.20/72,598.80 = 40,207.20/x
  3. Step 3: Cross multiply
    48,399.20x = 72,598.80 × 40,207.20
  4. Step 4: Simplify right side
    48,399.20x = 2,918,994,471.36
  5. Step 5: Solve for x
    x = 2,918,994,471.36/48,399.20
  6. Step 6: Final answer
    x = 60,310.80

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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.