Home / 39,764.76-59,647.14-13,487.96

Finding the Fourth Proportional to 39,764.76, 59,647.14 and 13,487.96

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Solution

The fourth proportional to 39,764.76, 59,647.14 and 13,487.96 is: 20,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,764.76 : 59,647.14 = 13,487.96 : x
  2. Step 2: Convert to fraction form
    39,764.76/59,647.14 = 13,487.96/x
  3. Step 3: Cross multiply
    39,764.76x = 59,647.14 × 13,487.96
  4. Step 4: Simplify right side
    39,764.76x = 804,517,940.20
  5. Step 5: Solve for x
    x = 804,517,940.20/39,764.76
  6. Step 6: Final answer
    x = 20,231.93

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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.