Home / 31,335.39-43,242.84-17,188.29

Finding the Fourth Proportional to 31,335.39, 43,242.84 and 17,188.29

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Solution

The fourth proportional to 31,335.39, 43,242.84 and 17,188.29 is: 23,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335.39 : 43,242.84 = 17,188.29 : x
  2. Step 2: Convert to fraction form
    31,335.39/43,242.84 = 17,188.29/x
  3. Step 3: Cross multiply
    31,335.39x = 43,242.84 × 17,188.29
  4. Step 4: Simplify right side
    31,335.39x = 743,270,474.34
  5. Step 5: Solve for x
    x = 743,270,474.34/31,335.39
  6. Step 6: Final answer
    x = 23,719.84

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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.