Home / 31,149.90-42,983.19-17,537.58

Finding the Fourth Proportional to 31,149.90, 42,983.19 and 17,537.58

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Solution

The fourth proportional to 31,149.90, 42,983.19 and 17,537.58 is: 24,199.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,149.90 : 42,983.19 = 17,537.58 : x
  2. Step 2: Convert to fraction form
    31,149.90/42,983.19 = 17,537.58/x
  3. Step 3: Cross multiply
    31,149.90x = 42,983.19 × 17,537.58
  4. Step 4: Simplify right side
    31,149.90x = 753,821,133.28
  5. Step 5: Solve for x
    x = 753,821,133.28/31,149.90
  6. Step 6: Final answer
    x = 24,199.79

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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.