Home / 32,165.28-48,254.76-9,978.12

Finding the Fourth Proportional to 32,165.28, 48,254.76 and 9,978.12

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Solution

The fourth proportional to 32,165.28, 48,254.76 and 9,978.12 is: 14,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,165.28 : 48,254.76 = 9,978.12 : x
  2. Step 2: Convert to fraction form
    32,165.28/48,254.76 = 9,978.12/x
  3. Step 3: Cross multiply
    32,165.28x = 48,254.76 × 9,978.12
  4. Step 4: Simplify right side
    32,165.28x = 481,491,785.85
  5. Step 5: Solve for x
    x = 481,491,785.85/32,165.28
  6. Step 6: Final answer
    x = 14,969.30

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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.