Home / 31,540.28-43,526.36-18,114.12

Finding the Fourth Proportional to 31,540.28, 43,526.36 and 18,114.12

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Solution

The fourth proportional to 31,540.28, 43,526.36 and 18,114.12 is: 24,997.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,540.28 : 43,526.36 = 18,114.12 : x
  2. Step 2: Convert to fraction form
    31,540.28/43,526.36 = 18,114.12/x
  3. Step 3: Cross multiply
    31,540.28x = 43,526.36 × 18,114.12
  4. Step 4: Simplify right side
    31,540.28x = 788,441,708.20
  5. Step 5: Solve for x
    x = 788,441,708.20/31,540.28
  6. Step 6: Final answer
    x = 24,997.93

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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.