Home / 31,281.30-43,167.96-17,134.20

Finding the Fourth Proportional to 31,281.30, 43,167.96 and 17,134.20

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Solution

The fourth proportional to 31,281.30, 43,167.96 and 17,134.20 is: 23,645.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281.30 : 43,167.96 = 17,134.20 : x
  2. Step 2: Convert to fraction form
    31,281.30/43,167.96 = 17,134.20/x
  3. Step 3: Cross multiply
    31,281.30x = 43,167.96 × 17,134.20
  4. Step 4: Simplify right side
    31,281.30x = 739,648,460.23
  5. Step 5: Solve for x
    x = 739,648,460.23/31,281.30
  6. Step 6: Final answer
    x = 23,645.07

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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.