Home / 58,171.85-80,307.76-39,151.61

Finding the Fourth Proportional to 58,171.85, 80,307.76 and 39,151.61

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Solution

The fourth proportional to 58,171.85, 80,307.76 and 39,151.61 is: 54,049.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,171.85 : 80,307.76 = 39,151.61 : x
  2. Step 2: Convert to fraction form
    58,171.85/80,307.76 = 39,151.61/x
  3. Step 3: Cross multiply
    58,171.85x = 80,307.76 × 39,151.61
  4. Step 4: Simplify right side
    58,171.85x = 3,144,178,202.38
  5. Step 5: Solve for x
    x = 3,144,178,202.38/58,171.85
  6. Step 6: Final answer
    x = 54,049.83

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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.