Home / 31,657.68-43,687.60-19,084.86

Finding the Fourth Proportional to 31,657.68, 43,687.60 and 19,084.86

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Solution

The fourth proportional to 31,657.68, 43,687.60 and 19,084.86 is: 26,337.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,657.68 : 43,687.60 = 19,084.86 : x
  2. Step 2: Convert to fraction form
    31,657.68/43,687.60 = 19,084.86/x
  3. Step 3: Cross multiply
    31,657.68x = 43,687.60 × 19,084.86
  4. Step 4: Simplify right side
    31,657.68x = 833,771,729.74
  5. Step 5: Solve for x
    x = 833,771,729.74/31,657.68
  6. Step 6: Final answer
    x = 26,337.11

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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.