Home / 51,950.40-71,685.17-28,974.85

Finding the Fourth Proportional to 51,950.40, 71,685.17 and 28,974.85

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Solution

The fourth proportional to 51,950.40, 71,685.17 and 28,974.85 is: 39,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,950.40 : 71,685.17 = 28,974.85 : x
  2. Step 2: Convert to fraction form
    51,950.40/71,685.17 = 28,974.85/x
  3. Step 3: Cross multiply
    51,950.40x = 71,685.17 × 28,974.85
  4. Step 4: Simplify right side
    51,950.40x = 2,077,066,832.54
  5. Step 5: Solve for x
    x = 2,077,066,832.54/51,950.40
  6. Step 6: Final answer
    x = 39,981.73

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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.