Home / 51,620.49-71,234.91-28,957.59

Finding the Fourth Proportional to 51,620.49, 71,234.91 and 28,957.59

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Solution

The fourth proportional to 51,620.49, 71,234.91 and 28,957.59 is: 39,960.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,620.49 : 71,234.91 = 28,957.59 : x
  2. Step 2: Convert to fraction form
    51,620.49/71,234.91 = 28,957.59/x
  3. Step 3: Cross multiply
    51,620.49x = 71,234.91 × 28,957.59
  4. Step 4: Simplify right side
    51,620.49x = 2,062,791,317.47
  5. Step 5: Solve for x
    x = 2,062,791,317.47/51,620.49
  6. Step 6: Final answer
    x = 39,960.71

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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.