Home / 31,306.94-43,203.57-17,159.48

Finding the Fourth Proportional to 31,306.94, 43,203.57 and 17,159.48

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Solution

The fourth proportional to 31,306.94, 43,203.57 and 17,159.48 is: 23,680.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,306.94 : 43,203.57 = 17,159.48 : x
  2. Step 2: Convert to fraction form
    31,306.94/43,203.57 = 17,159.48/x
  3. Step 3: Cross multiply
    31,306.94x = 43,203.57 × 17,159.48
  4. Step 4: Simplify right side
    31,306.94x = 741,350,795.34
  5. Step 5: Solve for x
    x = 741,350,795.34/31,306.94
  6. Step 6: Final answer
    x = 23,680.08

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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.