Home / 42,613.29-63,890.78-22,871.97

Finding the Fourth Proportional to 42,613.29, 63,890.78 and 22,871.97

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Solution

The fourth proportional to 42,613.29, 63,890.78 and 22,871.97 is: 34,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,613.29 : 63,890.78 = 22,871.97 : x
  2. Step 2: Convert to fraction form
    42,613.29/63,890.78 = 22,871.97/x
  3. Step 3: Cross multiply
    42,613.29x = 63,890.78 × 22,871.97
  4. Step 4: Simplify right side
    42,613.29x = 1,461,307,889.08
  5. Step 5: Solve for x
    x = 1,461,307,889.08/42,613.29
  6. Step 6: Final answer
    x = 34,292.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.