Home / 40,763.92-61,146.52-18,576.40

Finding the Fourth Proportional to 40,763.92, 61,146.52 and 18,576.40

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Solution

The fourth proportional to 40,763.92, 61,146.52 and 18,576.40 is: 27,864.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,763.92 : 61,146.52 = 18,576.40 : x
  2. Step 2: Convert to fraction form
    40,763.92/61,146.52 = 18,576.40/x
  3. Step 3: Cross multiply
    40,763.92x = 61,146.52 × 18,576.40
  4. Step 4: Simplify right side
    40,763.92x = 1,135,882,214.13
  5. Step 5: Solve for x
    x = 1,135,882,214.13/40,763.92
  6. Step 6: Final answer
    x = 27,864.89

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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.