Home / 43,680.40-60,231.32-29,508.64

Finding the Fourth Proportional to 43,680.40, 60,231.32 and 29,508.64

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Solution

The fourth proportional to 43,680.40, 60,231.32 and 29,508.64 is: 40,689.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,680.40 : 60,231.32 = 29,508.64 : x
  2. Step 2: Convert to fraction form
    43,680.40/60,231.32 = 29,508.64/x
  3. Step 3: Cross multiply
    43,680.40x = 60,231.32 × 29,508.64
  4. Step 4: Simplify right side
    43,680.40x = 1,777,344,338.60
  5. Step 5: Solve for x
    x = 1,777,344,338.60/43,680.40
  6. Step 6: Final answer
    x = 40,689.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.