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Finding the Fourth Proportional to 32,493.60, 48,740.40 and 9,119.52

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Solution

The fourth proportional to 32,493.60, 48,740.40 and 9,119.52 is: 13,679.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,493.60 : 48,740.40 = 9,119.52 : x
  2. Step 2: Convert to fraction form
    32,493.60/48,740.40 = 9,119.52/x
  3. Step 3: Cross multiply
    32,493.60x = 48,740.40 × 9,119.52
  4. Step 4: Simplify right side
    32,493.60x = 444,489,052.61
  5. Step 5: Solve for x
    x = 444,489,052.61/32,493.60
  6. Step 6: Final answer
    x = 13,679.28

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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.