Home / 41,154.78-61,722.45-18,954.30

Finding the Fourth Proportional to 41,154.78, 61,722.45 and 18,954.30

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Solution

The fourth proportional to 41,154.78, 61,722.45 and 18,954.30 is: 28,426.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,154.78 : 61,722.45 = 18,954.30 : x
  2. Step 2: Convert to fraction form
    41,154.78/61,722.45 = 18,954.30/x
  3. Step 3: Cross multiply
    41,154.78x = 61,722.45 × 18,954.30
  4. Step 4: Simplify right side
    41,154.78x = 1,169,905,834.04
  5. Step 5: Solve for x
    x = 1,169,905,834.04/41,154.78
  6. Step 6: Final answer
    x = 28,426.97

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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.