Home / 38,261.78-52,800.38-22,127.88

Finding the Fourth Proportional to 38,261.78, 52,800.38 and 22,127.88

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Solution

The fourth proportional to 38,261.78, 52,800.38 and 22,127.88 is: 30,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,261.78 : 52,800.38 = 22,127.88 : x
  2. Step 2: Convert to fraction form
    38,261.78/52,800.38 = 22,127.88/x
  3. Step 3: Cross multiply
    38,261.78x = 52,800.38 × 22,127.88
  4. Step 4: Simplify right side
    38,261.78x = 1,168,360,472.59
  5. Step 5: Solve for x
    x = 1,168,360,472.59/38,261.78
  6. Step 6: Final answer
    x = 30,535.97

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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.