Home / 31,864.32-43,974.36-17,716.86

Finding the Fourth Proportional to 31,864.32, 43,974.36 and 17,716.86

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Solution

The fourth proportional to 31,864.32, 43,974.36 and 17,716.86 is: 24,450.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,864.32 : 43,974.36 = 17,716.86 : x
  2. Step 2: Convert to fraction form
    31,864.32/43,974.36 = 17,716.86/x
  3. Step 3: Cross multiply
    31,864.32x = 43,974.36 × 17,716.86
  4. Step 4: Simplify right side
    31,864.32x = 779,087,579.71
  5. Step 5: Solve for x
    x = 779,087,579.71/31,864.32
  6. Step 6: Final answer
    x = 24,450.16

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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.