Home / 43,723.40-65,585.10-40,344.20

Finding the Fourth Proportional to 43,723.40, 65,585.10 and 40,344.20

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Solution

The fourth proportional to 43,723.40, 65,585.10 and 40,344.20 is: 60,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,723.40 : 65,585.10 = 40,344.20 : x
  2. Step 2: Convert to fraction form
    43,723.40/65,585.10 = 40,344.20/x
  3. Step 3: Cross multiply
    43,723.40x = 65,585.10 × 40,344.20
  4. Step 4: Simplify right side
    43,723.40x = 2,645,978,391.42
  5. Step 5: Solve for x
    x = 2,645,978,391.42/43,723.40
  6. Step 6: Final answer
    x = 60,516.30

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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.