Home / 40,918.28-61,370.58-11,339.10

Finding the Fourth Proportional to 40,918.28, 61,370.58 and 11,339.10

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Solution

The fourth proportional to 40,918.28, 61,370.58 and 11,339.10 is: 17,006.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,918.28 : 61,370.58 = 11,339.10 : x
  2. Step 2: Convert to fraction form
    40,918.28/61,370.58 = 11,339.10/x
  3. Step 3: Cross multiply
    40,918.28x = 61,370.58 × 11,339.10
  4. Step 4: Simplify right side
    40,918.28x = 695,887,143.68
  5. Step 5: Solve for x
    x = 695,887,143.68/40,918.28
  6. Step 6: Final answer
    x = 17,006.76

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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.