Home / 43,612.45-65,451.80-31,956.13

Finding the Fourth Proportional to 43,612.45, 65,451.80 and 31,956.13

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Solution

The fourth proportional to 43,612.45, 65,451.80 and 31,956.13 is: 47,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,612.45 : 65,451.80 = 31,956.13 : x
  2. Step 2: Convert to fraction form
    43,612.45/65,451.80 = 31,956.13/x
  3. Step 3: Cross multiply
    43,612.45x = 65,451.80 × 31,956.13
  4. Step 4: Simplify right side
    43,612.45x = 2,091,586,229.53
  5. Step 5: Solve for x
    x = 2,091,586,229.53/43,612.45
  6. Step 6: Final answer
    x = 47,958.47

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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.