Home / 31,398.36-43,330.36-17,251.74

Finding the Fourth Proportional to 31,398.36, 43,330.36 and 17,251.74

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Solution

The fourth proportional to 31,398.36, 43,330.36 and 17,251.74 is: 23,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,398.36 : 43,330.36 = 17,251.74 : x
  2. Step 2: Convert to fraction form
    31,398.36/43,330.36 = 17,251.74/x
  3. Step 3: Cross multiply
    31,398.36x = 43,330.36 × 17,251.74
  4. Step 4: Simplify right side
    31,398.36x = 747,524,104.83
  5. Step 5: Solve for x
    x = 747,524,104.83/31,398.36
  6. Step 6: Final answer
    x = 23,807.74

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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.