Home / 39,109.16-54,015.19-26,512.04

Finding the Fourth Proportional to 39,109.16, 54,015.19 and 26,512.04

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Solution

The fourth proportional to 39,109.16, 54,015.19 and 26,512.04 is: 36,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,109.16 : 54,015.19 = 26,512.04 : x
  2. Step 2: Convert to fraction form
    39,109.16/54,015.19 = 26,512.04/x
  3. Step 3: Cross multiply
    39,109.16x = 54,015.19 × 26,512.04
  4. Step 4: Simplify right side
    39,109.16x = 1,432,052,877.89
  5. Step 5: Solve for x
    x = 1,432,052,877.89/39,109.16
  6. Step 6: Final answer
    x = 36,616.82

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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.