Home / 41,148.78-61,713.45-18,948.30

Finding the Fourth Proportional to 41,148.78, 61,713.45 and 18,948.30

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Solution

The fourth proportional to 41,148.78, 61,713.45 and 18,948.30 is: 28,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,148.78 : 61,713.45 = 18,948.30 : x
  2. Step 2: Convert to fraction form
    41,148.78/61,713.45 = 18,948.30/x
  3. Step 3: Cross multiply
    41,148.78x = 61,713.45 × 18,948.30
  4. Step 4: Simplify right side
    41,148.78x = 1,169,364,964.64
  5. Step 5: Solve for x
    x = 1,169,364,964.64/41,148.78
  6. Step 6: Final answer
    x = 28,417.97

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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.