Home / 31,354.83-43,268.22-17,207.91

Finding the Fourth Proportional to 31,354.83, 43,268.22 and 17,207.91

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Solution

The fourth proportional to 31,354.83, 43,268.22 and 17,207.91 is: 23,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,354.83 : 43,268.22 = 17,207.91 : x
  2. Step 2: Convert to fraction form
    31,354.83/43,268.22 = 17,207.91/x
  3. Step 3: Cross multiply
    31,354.83x = 43,268.22 × 17,207.91
  4. Step 4: Simplify right side
    31,354.83x = 744,555,635.62
  5. Step 5: Solve for x
    x = 744,555,635.62/31,354.83
  6. Step 6: Final answer
    x = 23,746.12

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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.