Home / 31,882.45-43,993.13-19,132.92

Finding the Fourth Proportional to 31,882.45, 43,993.13 and 19,132.92

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Solution

The fourth proportional to 31,882.45, 43,993.13 and 19,132.92 is: 26,400.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,882.45 : 43,993.13 = 19,132.92 : x
  2. Step 2: Convert to fraction form
    31,882.45/43,993.13 = 19,132.92/x
  3. Step 3: Cross multiply
    31,882.45x = 43,993.13 × 19,132.92
  4. Step 4: Simplify right side
    31,882.45x = 841,716,721.21
  5. Step 5: Solve for x
    x = 841,716,721.21/31,882.45
  6. Step 6: Final answer
    x = 26,400.63

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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.