Home / 31,624.16-43,645.92-18,877.88

Finding the Fourth Proportional to 31,624.16, 43,645.92 and 18,877.88

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Solution

The fourth proportional to 31,624.16, 43,645.92 and 18,877.88 is: 26,054.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,624.16 : 43,645.92 = 18,877.88 : x
  2. Step 2: Convert to fraction form
    31,624.16/43,645.92 = 18,877.88/x
  3. Step 3: Cross multiply
    31,624.16x = 43,645.92 × 18,877.88
  4. Step 4: Simplify right side
    31,624.16x = 823,942,440.25
  5. Step 5: Solve for x
    x = 823,942,440.25/31,624.16
  6. Step 6: Final answer
    x = 26,054.21

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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.