Home / 31,841.59-43,930.20-19,098.90

Finding the Fourth Proportional to 31,841.59, 43,930.20 and 19,098.90

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Solution

The fourth proportional to 31,841.59, 43,930.20 and 19,098.90 is: 26,349.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,841.59 : 43,930.20 = 19,098.90 : x
  2. Step 2: Convert to fraction form
    31,841.59/43,930.20 = 19,098.90/x
  3. Step 3: Cross multiply
    31,841.59x = 43,930.20 × 19,098.90
  4. Step 4: Simplify right side
    31,841.59x = 839,018,496.78
  5. Step 5: Solve for x
    x = 839,018,496.78/31,841.59
  6. Step 6: Final answer
    x = 26,349.77

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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.