Home / 43,250.92-64,870.80-13,671.75

Finding the Fourth Proportional to 43,250.92, 64,870.80 and 13,671.75

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Solution

The fourth proportional to 43,250.92, 64,870.80 and 13,671.75 is: 20,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,250.92 : 64,870.80 = 13,671.75 : x
  2. Step 2: Convert to fraction form
    43,250.92/64,870.80 = 13,671.75/x
  3. Step 3: Cross multiply
    43,250.92x = 64,870.80 × 13,671.75
  4. Step 4: Simplify right side
    43,250.92x = 886,897,359.90
  5. Step 5: Solve for x
    x = 886,897,359.90/43,250.92
  6. Step 6: Final answer
    x = 20,505.86

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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.