Home / 31,652.57-43,678.77-17,309.55

Finding the Fourth Proportional to 31,652.57, 43,678.77 and 17,309.55

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Solution

The fourth proportional to 31,652.57, 43,678.77 and 17,309.55 is: 23,886.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,652.57 : 43,678.77 = 17,309.55 : x
  2. Step 2: Convert to fraction form
    31,652.57/43,678.77 = 17,309.55/x
  3. Step 3: Cross multiply
    31,652.57x = 43,678.77 × 17,309.55
  4. Step 4: Simplify right side
    31,652.57x = 756,059,853.25
  5. Step 5: Solve for x
    x = 756,059,853.25/31,652.57
  6. Step 6: Final answer
    x = 23,886.21

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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.