Home / 40,869.18-61,307.31-11,287.04

Finding the Fourth Proportional to 40,869.18, 61,307.31 and 11,287.04

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Solution

The fourth proportional to 40,869.18, 61,307.31 and 11,287.04 is: 16,931.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,869.18 : 61,307.31 = 11,287.04 : x
  2. Step 2: Convert to fraction form
    40,869.18/61,307.31 = 11,287.04/x
  3. Step 3: Cross multiply
    40,869.18x = 61,307.31 × 11,287.04
  4. Step 4: Simplify right side
    40,869.18x = 691,977,753.73
  5. Step 5: Solve for x
    x = 691,977,753.73/40,869.18
  6. Step 6: Final answer
    x = 16,931.53

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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.