Home / 40,189.26-60,300.30-13,912.50

Finding the Fourth Proportional to 40,189.26, 60,300.30 and 13,912.50

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Solution

The fourth proportional to 40,189.26, 60,300.30 and 13,912.50 is: 20,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,189.26 : 60,300.30 = 13,912.50 : x
  2. Step 2: Convert to fraction form
    40,189.26/60,300.30 = 13,912.50/x
  3. Step 3: Cross multiply
    40,189.26x = 60,300.30 × 13,912.50
  4. Step 4: Simplify right side
    40,189.26x = 838,927,923.75
  5. Step 5: Solve for x
    x = 838,927,923.75/40,189.26
  6. Step 6: Final answer
    x = 20,874.43

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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.