Home / 51,474.65-71,031.57-28,809.77

Finding the Fourth Proportional to 51,474.65, 71,031.57 and 28,809.77

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Solution

The fourth proportional to 51,474.65, 71,031.57 and 28,809.77 is: 39,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,474.65 : 71,031.57 = 28,809.77 : x
  2. Step 2: Convert to fraction form
    51,474.65/71,031.57 = 28,809.77/x
  3. Step 3: Cross multiply
    51,474.65x = 71,031.57 × 28,809.77
  4. Step 4: Simplify right side
    51,474.65x = 2,046,403,194.44
  5. Step 5: Solve for x
    x = 2,046,403,194.44/51,474.65
  6. Step 6: Final answer
    x = 39,755.55

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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.