Home / 31,241.80-43,113.24-17,812.56

Finding the Fourth Proportional to 31,241.80, 43,113.24 and 17,812.56

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Solution

The fourth proportional to 31,241.80, 43,113.24 and 17,812.56 is: 24,581.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,241.80 : 43,113.24 = 17,812.56 : x
  2. Step 2: Convert to fraction form
    31,241.80/43,113.24 = 17,812.56/x
  3. Step 3: Cross multiply
    31,241.80x = 43,113.24 × 17,812.56
  4. Step 4: Simplify right side
    31,241.80x = 767,957,174.29
  5. Step 5: Solve for x
    x = 767,957,174.29/31,241.80
  6. Step 6: Final answer
    x = 24,581.08

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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.