Home / 40,961.40-61,326.90-36,814.20

Finding the Fourth Proportional to 40,961.40, 61,326.90 and 36,814.20

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Solution

The fourth proportional to 40,961.40, 61,326.90 and 36,814.20 is: 55,117.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,961.40 : 61,326.90 = 36,814.20 : x
  2. Step 2: Convert to fraction form
    40,961.40/61,326.90 = 36,814.20/x
  3. Step 3: Cross multiply
    40,961.40x = 61,326.90 × 36,814.20
  4. Step 4: Simplify right side
    40,961.40x = 2,257,700,761.98
  5. Step 5: Solve for x
    x = 2,257,700,761.98/40,961.40
  6. Step 6: Final answer
    x = 55,117.76

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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.