Home / 32,147.12-44,343.66-21,245.30

Finding the Fourth Proportional to 32,147.12, 44,343.66 and 21,245.30

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Solution

The fourth proportional to 32,147.12, 44,343.66 and 21,245.30 is: 29,305.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,147.12 : 44,343.66 = 21,245.30 : x
  2. Step 2: Convert to fraction form
    32,147.12/44,343.66 = 21,245.30/x
  3. Step 3: Cross multiply
    32,147.12x = 44,343.66 × 21,245.30
  4. Step 4: Simplify right side
    32,147.12x = 942,094,359.80
  5. Step 5: Solve for x
    x = 942,094,359.80/32,147.12
  6. Step 6: Final answer
    x = 29,305.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.