Home / 48,145.60-72,218.40-32,399.20

Finding the Fourth Proportional to 48,145.60, 72,218.40 and 32,399.20

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Solution

The fourth proportional to 48,145.60, 72,218.40 and 32,399.20 is: 48,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,145.60 : 72,218.40 = 32,399.20 : x
  2. Step 2: Convert to fraction form
    48,145.60/72,218.40 = 32,399.20/x
  3. Step 3: Cross multiply
    48,145.60x = 72,218.40 × 32,399.20
  4. Step 4: Simplify right side
    48,145.60x = 2,339,818,385.28
  5. Step 5: Solve for x
    x = 2,339,818,385.28/48,145.60
  6. Step 6: Final answer
    x = 48,598.80

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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.