Home / 31,354.26-43,268.76-17,207.07

Finding the Fourth Proportional to 31,354.26, 43,268.76 and 17,207.07

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Solution

The fourth proportional to 31,354.26, 43,268.76 and 17,207.07 is: 23,745.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,354.26 : 43,268.76 = 17,207.07 : x
  2. Step 2: Convert to fraction form
    31,354.26/43,268.76 = 17,207.07/x
  3. Step 3: Cross multiply
    31,354.26x = 43,268.76 × 17,207.07
  4. Step 4: Simplify right side
    31,354.26x = 744,528,582.13
  5. Step 5: Solve for x
    x = 744,528,582.13/31,354.26
  6. Step 6: Final answer
    x = 23,745.69

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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.