Home / 31,306.68-43,202.94-17,159.52

Finding the Fourth Proportional to 31,306.68, 43,202.94 and 17,159.52

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Solution

The fourth proportional to 31,306.68, 43,202.94 and 17,159.52 is: 23,679.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,306.68 : 43,202.94 = 17,159.52 : x
  2. Step 2: Convert to fraction form
    31,306.68/43,202.94 = 17,159.52/x
  3. Step 3: Cross multiply
    31,306.68x = 43,202.94 × 17,159.52
  4. Step 4: Simplify right side
    31,306.68x = 741,341,712.99
  5. Step 5: Solve for x
    x = 741,341,712.99/31,306.68
  6. Step 6: Final answer
    x = 23,679.99

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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.