Home / 31,165.65-43,012.28-17,554.14

Finding the Fourth Proportional to 31,165.65, 43,012.28 and 17,554.14

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Solution

The fourth proportional to 31,165.65, 43,012.28 and 17,554.14 is: 24,226.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,165.65 : 43,012.28 = 17,554.14 : x
  2. Step 2: Convert to fraction form
    31,165.65/43,012.28 = 17,554.14/x
  3. Step 3: Cross multiply
    31,165.65x = 43,012.28 × 17,554.14
  4. Step 4: Simplify right side
    31,165.65x = 755,043,584.84
  5. Step 5: Solve for x
    x = 755,043,584.84/31,165.65
  6. Step 6: Final answer
    x = 24,226.79

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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.