Home / 39,951.16-55,109.32-25,605.88

Finding the Fourth Proportional to 39,951.16, 55,109.32 and 25,605.88

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Solution

The fourth proportional to 39,951.16, 55,109.32 and 25,605.88 is: 35,321.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,951.16 : 55,109.32 = 25,605.88 : x
  2. Step 2: Convert to fraction form
    39,951.16/55,109.32 = 25,605.88/x
  3. Step 3: Cross multiply
    39,951.16x = 55,109.32 × 25,605.88
  4. Step 4: Simplify right side
    39,951.16x = 1,411,122,433.01
  5. Step 5: Solve for x
    x = 1,411,122,433.01/39,951.16
  6. Step 6: Final answer
    x = 35,321.19

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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.