Home / 31,861.08-43,951.71-19,108.13

Finding the Fourth Proportional to 31,861.08, 43,951.71 and 19,108.13

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Solution

The fourth proportional to 31,861.08, 43,951.71 and 19,108.13 is: 26,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,861.08 : 43,951.71 = 19,108.13 : x
  2. Step 2: Convert to fraction form
    31,861.08/43,951.71 = 19,108.13/x
  3. Step 3: Cross multiply
    31,861.08x = 43,951.71 × 19,108.13
  4. Step 4: Simplify right side
    31,861.08x = 839,834,768.64
  5. Step 5: Solve for x
    x = 839,834,768.64/31,861.08
  6. Step 6: Final answer
    x = 26,359.27

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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.