Home / 55,000.28-75,900.38-29,849.78

Finding the Fourth Proportional to 55,000.28, 75,900.38 and 29,849.78

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Solution

The fourth proportional to 55,000.28, 75,900.38 and 29,849.78 is: 41,192.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,000.28 : 75,900.38 = 29,849.78 : x
  2. Step 2: Convert to fraction form
    55,000.28/75,900.38 = 29,849.78/x
  3. Step 3: Cross multiply
    55,000.28x = 75,900.38 × 29,849.78
  4. Step 4: Simplify right side
    55,000.28x = 2,265,609,685.42
  5. Step 5: Solve for x
    x = 2,265,609,685.42/55,000.28
  6. Step 6: Final answer
    x = 41,192.69

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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.