Home / 39,018.20-53,845.10-22,251.20

Finding the Fourth Proportional to 39,018.20, 53,845.10 and 22,251.20

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Solution

The fourth proportional to 39,018.20, 53,845.10 and 22,251.20 is: 30,706.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,018.20 : 53,845.10 = 22,251.20 : x
  2. Step 2: Convert to fraction form
    39,018.20/53,845.10 = 22,251.20/x
  3. Step 3: Cross multiply
    39,018.20x = 53,845.10 × 22,251.20
  4. Step 4: Simplify right side
    39,018.20x = 1,198,117,708.64
  5. Step 5: Solve for x
    x = 1,198,117,708.64/39,018.20
  6. Step 6: Final answer
    x = 30,706.64

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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.