Home / 38,372.78-52,954.52-22,243.20

Finding the Fourth Proportional to 38,372.78, 52,954.52 and 22,243.20

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Solution

The fourth proportional to 38,372.78, 52,954.52 and 22,243.20 is: 30,695.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,372.78 : 52,954.52 = 22,243.20 : x
  2. Step 2: Convert to fraction form
    38,372.78/52,954.52 = 22,243.20/x
  3. Step 3: Cross multiply
    38,372.78x = 52,954.52 × 22,243.20
  4. Step 4: Simplify right side
    38,372.78x = 1,177,877,979.26
  5. Step 5: Solve for x
    x = 1,177,877,979.26/38,372.78
  6. Step 6: Final answer
    x = 30,695.66

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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.