Home / 39,132.32-53,997.36-22,138.88

Finding the Fourth Proportional to 39,132.32, 53,997.36 and 22,138.88

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Solution

The fourth proportional to 39,132.32, 53,997.36 and 22,138.88 is: 30,548.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,132.32 : 53,997.36 = 22,138.88 : x
  2. Step 2: Convert to fraction form
    39,132.32/53,997.36 = 22,138.88/x
  3. Step 3: Cross multiply
    39,132.32x = 53,997.36 × 22,138.88
  4. Step 4: Simplify right side
    39,132.32x = 1,195,441,073.36
  5. Step 5: Solve for x
    x = 1,195,441,073.36/39,132.32
  6. Step 6: Final answer
    x = 30,548.69

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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.