Home / 31,627.90-43,637.97-18,202.96

Finding the Fourth Proportional to 31,627.90, 43,637.97 and 18,202.96

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Solution

The fourth proportional to 31,627.90, 43,637.97 and 18,202.96 is: 25,115.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,627.90 : 43,637.97 = 18,202.96 : x
  2. Step 2: Convert to fraction form
    31,627.90/43,637.97 = 18,202.96/x
  3. Step 3: Cross multiply
    31,627.90x = 43,637.97 × 18,202.96
  4. Step 4: Simplify right side
    31,627.90x = 794,340,222.39
  5. Step 5: Solve for x
    x = 794,340,222.39/31,627.90
  6. Step 6: Final answer
    x = 25,115.17

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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.