Home / 40,919.46-61,335-19,814.82

Finding the Fourth Proportional to 40,919.46, 61,335 and 19,814.82

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Solution

The fourth proportional to 40,919.46, 61,335 and 19,814.82 is: 29,700.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,919.46 : 61,335 = 19,814.82 : x
  2. Step 2: Convert to fraction form
    40,919.46/61,335 = 19,814.82/x
  3. Step 3: Cross multiply
    40,919.46x = 61,335 × 19,814.82
  4. Step 4: Simplify right side
    40,919.46x = 1,215,341,984.70
  5. Step 5: Solve for x
    x = 1,215,341,984.70/40,919.46
  6. Step 6: Final answer
    x = 29,700.83

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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.