Home / 51,521.39-71,098.23-28,860.22

Finding the Fourth Proportional to 51,521.39, 71,098.23 and 28,860.22

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Solution

The fourth proportional to 51,521.39, 71,098.23 and 28,860.22 is: 39,826.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,521.39 : 71,098.23 = 28,860.22 : x
  2. Step 2: Convert to fraction form
    51,521.39/71,098.23 = 28,860.22/x
  3. Step 3: Cross multiply
    51,521.39x = 71,098.23 × 28,860.22
  4. Step 4: Simplify right side
    51,521.39x = 2,051,910,425.39
  5. Step 5: Solve for x
    x = 2,051,910,425.39/51,521.39
  6. Step 6: Final answer
    x = 39,826.38

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Similar ratio
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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.