Home / 31,551.53-43,541.17-17,211.38

Finding the Fourth Proportional to 31,551.53, 43,541.17 and 17,211.38

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Solution

The fourth proportional to 31,551.53, 43,541.17 and 17,211.38 is: 23,751.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,551.53 : 43,541.17 = 17,211.38 : x
  2. Step 2: Convert to fraction form
    31,551.53/43,541.17 = 17,211.38/x
  3. Step 3: Cross multiply
    31,551.53x = 43,541.17 × 17,211.38
  4. Step 4: Simplify right side
    31,551.53x = 749,403,361.78
  5. Step 5: Solve for x
    x = 749,403,361.78/31,551.53
  6. Step 6: Final answer
    x = 23,751.73

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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.