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Finding the Fourth Proportional to 32,000.40, 48,000.60 and 25,390.80

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Solution

The fourth proportional to 32,000.40, 48,000.60 and 25,390.80 is: 38,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,000.40 : 48,000.60 = 25,390.80 : x
  2. Step 2: Convert to fraction form
    32,000.40/48,000.60 = 25,390.80/x
  3. Step 3: Cross multiply
    32,000.40x = 48,000.60 × 25,390.80
  4. Step 4: Simplify right side
    32,000.40x = 1,218,773,634.48
  5. Step 5: Solve for x
    x = 1,218,773,634.48/32,000.40
  6. Step 6: Final answer
    x = 38,086.20

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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.