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Finding the Fourth Proportional to 58,149.68, 80,245.56 and 32,656.28

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Solution

The fourth proportional to 58,149.68, 80,245.56 and 32,656.28 is: 45,065.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,149.68 : 80,245.56 = 32,656.28 : x
  2. Step 2: Convert to fraction form
    58,149.68/80,245.56 = 32,656.28/x
  3. Step 3: Cross multiply
    58,149.68x = 80,245.56 × 32,656.28
  4. Step 4: Simplify right side
    58,149.68x = 2,620,521,476.12
  5. Step 5: Solve for x
    x = 2,620,521,476.12/58,149.68
  6. Step 6: Final answer
    x = 45,065.11

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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.