Home / 51,474.76-71,031.87-28,809.93

Finding the Fourth Proportional to 51,474.76, 71,031.87 and 28,809.93

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Solution

The fourth proportional to 51,474.76, 71,031.87 and 28,809.93 is: 39,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,474.76 : 71,031.87 = 28,809.93 : x
  2. Step 2: Convert to fraction form
    51,474.76/71,031.87 = 28,809.93/x
  3. Step 3: Cross multiply
    51,474.76x = 71,031.87 × 28,809.93
  4. Step 4: Simplify right side
    51,474.76x = 2,046,423,202.47
  5. Step 5: Solve for x
    x = 2,046,423,202.47/51,474.76
  6. Step 6: Final answer
    x = 39,755.86

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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.