Home / 43,371.32-65,056.97-13,789.15

Finding the Fourth Proportional to 43,371.32, 65,056.97 and 13,789.15

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Solution

The fourth proportional to 43,371.32, 65,056.97 and 13,789.15 is: 20,683.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,371.32 : 65,056.97 = 13,789.15 : x
  2. Step 2: Convert to fraction form
    43,371.32/65,056.97 = 13,789.15/x
  3. Step 3: Cross multiply
    43,371.32x = 65,056.97 × 13,789.15
  4. Step 4: Simplify right side
    43,371.32x = 897,080,189.71
  5. Step 5: Solve for x
    x = 897,080,189.71/43,371.32
  6. Step 6: Final answer
    x = 20,683.72

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Similar ratio
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1.5x scale

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.