Home / 29,306.16-43,909.56-20,943.72

Finding the Fourth Proportional to 29,306.16, 43,909.56 and 20,943.72

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Solution

The fourth proportional to 29,306.16, 43,909.56 and 20,943.72 is: 31,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,306.16 : 43,909.56 = 20,943.72 : x
  2. Step 2: Convert to fraction form
    29,306.16/43,909.56 = 20,943.72/x
  3. Step 3: Cross multiply
    29,306.16x = 43,909.56 × 20,943.72
  4. Step 4: Simplify right side
    29,306.16x = 919,629,529.96
  5. Step 5: Solve for x
    x = 919,629,529.96/29,306.16
  6. Step 6: Final answer
    x = 31,380.08

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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.