Home / 31,212.18-43,072.98-17,065.04

Finding the Fourth Proportional to 31,212.18, 43,072.98 and 17,065.04

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Solution

The fourth proportional to 31,212.18, 43,072.98 and 17,065.04 is: 23,549.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212.18 : 43,072.98 = 17,065.04 : x
  2. Step 2: Convert to fraction form
    31,212.18/43,072.98 = 17,065.04/x
  3. Step 3: Cross multiply
    31,212.18x = 43,072.98 × 17,065.04
  4. Step 4: Simplify right side
    31,212.18x = 735,042,126.62
  5. Step 5: Solve for x
    x = 735,042,126.62/31,212.18
  6. Step 6: Final answer
    x = 23,549.85

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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.