Home / 40,309.38-60,480.54-18,107.28

Finding the Fourth Proportional to 40,309.38, 60,480.54 and 18,107.28

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Solution

The fourth proportional to 40,309.38, 60,480.54 and 18,107.28 is: 27,168.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,309.38 : 60,480.54 = 18,107.28 : x
  2. Step 2: Convert to fraction form
    40,309.38/60,480.54 = 18,107.28/x
  3. Step 3: Cross multiply
    40,309.38x = 60,480.54 × 18,107.28
  4. Step 4: Simplify right side
    40,309.38x = 1,095,138,072.33
  5. Step 5: Solve for x
    x = 1,095,138,072.33/40,309.38
  6. Step 6: Final answer
    x = 27,168.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.