Home / 40,826.36-61,239.54-13,126.52

Finding the Fourth Proportional to 40,826.36, 61,239.54 and 13,126.52

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Solution

The fourth proportional to 40,826.36, 61,239.54 and 13,126.52 is: 19,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,826.36 : 61,239.54 = 13,126.52 : x
  2. Step 2: Convert to fraction form
    40,826.36/61,239.54 = 13,126.52/x
  3. Step 3: Cross multiply
    40,826.36x = 61,239.54 × 13,126.52
  4. Step 4: Simplify right side
    40,826.36x = 803,862,046.60
  5. Step 5: Solve for x
    x = 803,862,046.60/40,826.36
  6. Step 6: Final answer
    x = 19,689.78

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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.