Home / 31,265.96-43,145.32-17,116.08

Finding the Fourth Proportional to 31,265.96, 43,145.32 and 17,116.08

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Solution

The fourth proportional to 31,265.96, 43,145.32 and 17,116.08 is: 23,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,265.96 : 43,145.32 = 17,116.08 : x
  2. Step 2: Convert to fraction form
    31,265.96/43,145.32 = 17,116.08/x
  3. Step 3: Cross multiply
    31,265.96x = 43,145.32 × 17,116.08
  4. Step 4: Simplify right side
    31,265.96x = 738,478,748.75
  5. Step 5: Solve for x
    x = 738,478,748.75/31,265.96
  6. Step 6: Final answer
    x = 23,619.26

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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.