Home / 39,499.18-59,266.22-20,774.95

Finding the Fourth Proportional to 39,499.18, 59,266.22 and 20,774.95

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Solution

The fourth proportional to 39,499.18, 59,266.22 and 20,774.95 is: 31,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,499.18 : 59,266.22 = 20,774.95 : x
  2. Step 2: Convert to fraction form
    39,499.18/59,266.22 = 20,774.95/x
  3. Step 3: Cross multiply
    39,499.18x = 59,266.22 × 20,774.95
  4. Step 4: Simplify right side
    39,499.18x = 1,231,252,505.15
  5. Step 5: Solve for x
    x = 1,231,252,505.15/39,499.18
  6. Step 6: Final answer
    x = 31,171.60

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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.