Home / 43,517.48-65,244.30-13,918.28

Finding the Fourth Proportional to 43,517.48, 65,244.30 and 13,918.28

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Solution

The fourth proportional to 43,517.48, 65,244.30 and 13,918.28 is: 20,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,517.48 : 65,244.30 = 13,918.28 : x
  2. Step 2: Convert to fraction form
    43,517.48/65,244.30 = 13,918.28/x
  3. Step 3: Cross multiply
    43,517.48x = 65,244.30 × 13,918.28
  4. Step 4: Simplify right side
    43,517.48x = 908,088,435.80
  5. Step 5: Solve for x
    x = 908,088,435.80/43,517.48
  6. Step 6: Final answer
    x = 20,867.21

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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.