Home / 32,431.20-48,646.80-9,057.60

Finding the Fourth Proportional to 32,431.20, 48,646.80 and 9,057.60

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Solution

The fourth proportional to 32,431.20, 48,646.80 and 9,057.60 is: 13,586.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,431.20 : 48,646.80 = 9,057.60 : x
  2. Step 2: Convert to fraction form
    32,431.20/48,646.80 = 9,057.60/x
  3. Step 3: Cross multiply
    32,431.20x = 48,646.80 × 9,057.60
  4. Step 4: Simplify right side
    32,431.20x = 440,623,255.68
  5. Step 5: Solve for x
    x = 440,623,255.68/32,431.20
  6. Step 6: Final answer
    x = 13,586.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.