Home / 31,754.12-43,812.42-19,001.84

Finding the Fourth Proportional to 31,754.12, 43,812.42 and 19,001.84

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Solution

The fourth proportional to 31,754.12, 43,812.42 and 19,001.84 is: 26,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,754.12 : 43,812.42 = 19,001.84 : x
  2. Step 2: Convert to fraction form
    31,754.12/43,812.42 = 19,001.84/x
  3. Step 3: Cross multiply
    31,754.12x = 43,812.42 × 19,001.84
  4. Step 4: Simplify right side
    31,754.12x = 832,516,594.85
  5. Step 5: Solve for x
    x = 832,516,594.85/31,754.12
  6. Step 6: Final answer
    x = 26,217.59

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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.