Home / 31,306.69-43,203.23-17,159.23

Finding the Fourth Proportional to 31,306.69, 43,203.23 and 17,159.23

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Solution

The fourth proportional to 31,306.69, 43,203.23 and 17,159.23 is: 23,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,306.69 : 43,203.23 = 17,159.23 : x
  2. Step 2: Convert to fraction form
    31,306.69/43,203.23 = 17,159.23/x
  3. Step 3: Cross multiply
    31,306.69x = 43,203.23 × 17,159.23
  4. Step 4: Simplify right side
    31,306.69x = 741,334,095.20
  5. Step 5: Solve for x
    x = 741,334,095.20/31,306.69
  6. Step 6: Final answer
    x = 23,679.74

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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.