Home / 43,559.20-65,344.56-13,967.20

Finding the Fourth Proportional to 43,559.20, 65,344.56 and 13,967.20

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Solution

The fourth proportional to 43,559.20, 65,344.56 and 13,967.20 is: 20,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,559.20 : 65,344.56 = 13,967.20 : x
  2. Step 2: Convert to fraction form
    43,559.20/65,344.56 = 13,967.20/x
  3. Step 3: Cross multiply
    43,559.20x = 65,344.56 × 13,967.20
  4. Step 4: Simplify right side
    43,559.20x = 912,680,538.43
  5. Step 5: Solve for x
    x = 912,680,538.43/43,559.20
  6. Step 6: Final answer
    x = 20,952.65

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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.