Home / 40,826.12-61,239.44-11,243.28

Finding the Fourth Proportional to 40,826.12, 61,239.44 and 11,243.28

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Solution

The fourth proportional to 40,826.12, 61,239.44 and 11,243.28 is: 16,864.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,826.12 : 61,239.44 = 11,243.28 : x
  2. Step 2: Convert to fraction form
    40,826.12/61,239.44 = 11,243.28/x
  3. Step 3: Cross multiply
    40,826.12x = 61,239.44 × 11,243.28
  4. Step 4: Simplify right side
    40,826.12x = 688,532,170.96
  5. Step 5: Solve for x
    x = 688,532,170.96/40,826.12
  6. Step 6: Final answer
    x = 16,864.99

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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.