Home / 40,913.38-61,388.70-19,842.04

Finding the Fourth Proportional to 40,913.38, 61,388.70 and 19,842.04

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Solution

The fourth proportional to 40,913.38, 61,388.70 and 19,842.04 is: 29,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,913.38 : 61,388.70 = 19,842.04 : x
  2. Step 2: Convert to fraction form
    40,913.38/61,388.70 = 19,842.04/x
  3. Step 3: Cross multiply
    40,913.38x = 61,388.70 × 19,842.04
  4. Step 4: Simplify right side
    40,913.38x = 1,218,077,154.89
  5. Step 5: Solve for x
    x = 1,218,077,154.89/40,913.38
  6. Step 6: Final answer
    x = 29,772.10

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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.