Home / 31,354.72-43,269.86-17,207.26

Finding the Fourth Proportional to 31,354.72, 43,269.86 and 17,207.26

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Solution

The fourth proportional to 31,354.72, 43,269.86 and 17,207.26 is: 23,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,354.72 : 43,269.86 = 17,207.26 : x
  2. Step 2: Convert to fraction form
    31,354.72/43,269.86 = 17,207.26/x
  3. Step 3: Cross multiply
    31,354.72x = 43,269.86 × 17,207.26
  4. Step 4: Simplify right side
    31,354.72x = 744,555,731.18
  5. Step 5: Solve for x
    x = 744,555,731.18/31,354.72
  6. Step 6: Final answer
    x = 23,746.21

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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.