Home / 31,765.68-43,819.56-19,013.04

Finding the Fourth Proportional to 31,765.68, 43,819.56 and 19,013.04

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Solution

The fourth proportional to 31,765.68, 43,819.56 and 19,013.04 is: 26,227.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,765.68 : 43,819.56 = 19,013.04 : x
  2. Step 2: Convert to fraction form
    31,765.68/43,819.56 = 19,013.04/x
  3. Step 3: Cross multiply
    31,765.68x = 43,819.56 × 19,013.04
  4. Step 4: Simplify right side
    31,765.68x = 833,143,047.06
  5. Step 5: Solve for x
    x = 833,143,047.06/31,765.68
  6. Step 6: Final answer
    x = 26,227.77

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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.