Home / 43,965.20-60,690.12-31,406.96

Finding the Fourth Proportional to 43,965.20, 60,690.12 and 31,406.96

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Solution

The fourth proportional to 43,965.20, 60,690.12 and 31,406.96 is: 43,354.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,965.20 : 60,690.12 = 31,406.96 : x
  2. Step 2: Convert to fraction form
    43,965.20/60,690.12 = 31,406.96/x
  3. Step 3: Cross multiply
    43,965.20x = 60,690.12 × 31,406.96
  4. Step 4: Simplify right side
    43,965.20x = 1,906,092,171.24
  5. Step 5: Solve for x
    x = 1,906,092,171.24/43,965.20
  6. Step 6: Final answer
    x = 43,354.57

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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.