Home / 43,723.80-65,585.70-40,370.40

Finding the Fourth Proportional to 43,723.80, 65,585.70 and 40,370.40

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Solution

The fourth proportional to 43,723.80, 65,585.70 and 40,370.40 is: 60,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,723.80 : 65,585.70 = 40,370.40 : x
  2. Step 2: Convert to fraction form
    43,723.80/65,585.70 = 40,370.40/x
  3. Step 3: Cross multiply
    43,723.80x = 65,585.70 × 40,370.40
  4. Step 4: Simplify right side
    43,723.80x = 2,647,720,943.28
  5. Step 5: Solve for x
    x = 2,647,720,943.28/43,723.80
  6. Step 6: Final answer
    x = 60,555.60

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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.