Home / 31,486.46-43,451.24-17,146.08

Finding the Fourth Proportional to 31,486.46, 43,451.24 and 17,146.08

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Solution

The fourth proportional to 31,486.46, 43,451.24 and 17,146.08 is: 23,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,486.46 : 43,451.24 = 17,146.08 : x
  2. Step 2: Convert to fraction form
    31,486.46/43,451.24 = 17,146.08/x
  3. Step 3: Cross multiply
    31,486.46x = 43,451.24 × 17,146.08
  4. Step 4: Simplify right side
    31,486.46x = 745,018,351.41
  5. Step 5: Solve for x
    x = 745,018,351.41/31,486.46
  6. Step 6: Final answer
    x = 23,661.55

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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.