Home / 33,125.57-45,697.19-19,687.31

Finding the Fourth Proportional to 33,125.57, 45,697.19 and 19,687.31

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Solution

The fourth proportional to 33,125.57, 45,697.19 and 19,687.31 is: 27,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,125.57 : 45,697.19 = 19,687.31 : x
  2. Step 2: Convert to fraction form
    33,125.57/45,697.19 = 19,687.31/x
  3. Step 3: Cross multiply
    33,125.57x = 45,697.19 × 19,687.31
  4. Step 4: Simplify right side
    33,125.57x = 899,654,761.47
  5. Step 5: Solve for x
    x = 899,654,761.47/33,125.57
  6. Step 6: Final answer
    x = 27,158.93

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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.