Home / 31,304.10-43,199.40-17,156.91

Finding the Fourth Proportional to 31,304.10, 43,199.40 and 17,156.91

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Solution

The fourth proportional to 31,304.10, 43,199.40 and 17,156.91 is: 23,676.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,304.10 : 43,199.40 = 17,156.91 : x
  2. Step 2: Convert to fraction form
    31,304.10/43,199.40 = 17,156.91/x
  3. Step 3: Cross multiply
    31,304.10x = 43,199.40 × 17,156.91
  4. Step 4: Simplify right side
    31,304.10x = 741,168,217.85
  5. Step 5: Solve for x
    x = 741,168,217.85/31,304.10
  6. Step 6: Final answer
    x = 23,676.39

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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.