Home / 31,176.53-43,023.57-17,029.38

Finding the Fourth Proportional to 31,176.53, 43,023.57 and 17,029.38

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Solution

The fourth proportional to 31,176.53, 43,023.57 and 17,029.38 is: 23,500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,176.53 : 43,023.57 = 17,029.38 : x
  2. Step 2: Convert to fraction form
    31,176.53/43,023.57 = 17,029.38/x
  3. Step 3: Cross multiply
    31,176.53x = 43,023.57 × 17,029.38
  4. Step 4: Simplify right side
    31,176.53x = 732,664,722.49
  5. Step 5: Solve for x
    x = 732,664,722.49/31,176.53
  6. Step 6: Final answer
    x = 23,500.52

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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.