Home / 31,355.30-43,270.14-17,207.84

Finding the Fourth Proportional to 31,355.30, 43,270.14 and 17,207.84

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Solution

The fourth proportional to 31,355.30, 43,270.14 and 17,207.84 is: 23,746.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,355.30 : 43,270.14 = 17,207.84 : x
  2. Step 2: Convert to fraction form
    31,355.30/43,270.14 = 17,207.84/x
  3. Step 3: Cross multiply
    31,355.30x = 43,270.14 × 17,207.84
  4. Step 4: Simplify right side
    31,355.30x = 744,585,645.90
  5. Step 5: Solve for x
    x = 744,585,645.90/31,355.30
  6. Step 6: Final answer
    x = 23,746.72

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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.