Home / 40,809.18-61,205.71-11,219.38

Finding the Fourth Proportional to 40,809.18, 61,205.71 and 11,219.38

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Solution

The fourth proportional to 40,809.18, 61,205.71 and 11,219.38 is: 16,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,809.18 : 61,205.71 = 11,219.38 : x
  2. Step 2: Convert to fraction form
    40,809.18/61,205.71 = 11,219.38/x
  3. Step 3: Cross multiply
    40,809.18x = 61,205.71 × 11,219.38
  4. Step 4: Simplify right side
    40,809.18x = 686,690,118.66
  5. Step 5: Solve for x
    x = 686,690,118.66/40,809.18
  6. Step 6: Final answer
    x = 16,826.85

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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.