Home / 49,143.28-67,817.76-29,000.38

Finding the Fourth Proportional to 49,143.28, 67,817.76 and 29,000.38

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Solution

The fourth proportional to 49,143.28, 67,817.76 and 29,000.38 is: 40,020.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,143.28 : 67,817.76 = 29,000.38 : x
  2. Step 2: Convert to fraction form
    49,143.28/67,817.76 = 29,000.38/x
  3. Step 3: Cross multiply
    49,143.28x = 67,817.76 × 29,000.38
  4. Step 4: Simplify right side
    49,143.28x = 1,966,740,810.75
  5. Step 5: Solve for x
    x = 1,966,740,810.75/49,143.28
  6. Step 6: Final answer
    x = 40,020.54

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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.