Home / 38,005.56-52,442.06-21,652.92

Finding the Fourth Proportional to 38,005.56, 52,442.06 and 21,652.92

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Solution

The fourth proportional to 38,005.56, 52,442.06 and 21,652.92 is: 29,877.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,005.56 : 52,442.06 = 21,652.92 : x
  2. Step 2: Convert to fraction form
    38,005.56/52,442.06 = 21,652.92/x
  3. Step 3: Cross multiply
    38,005.56x = 52,442.06 × 21,652.92
  4. Step 4: Simplify right side
    38,005.56x = 1,135,523,729.82
  5. Step 5: Solve for x
    x = 1,135,523,729.82/38,005.56
  6. Step 6: Final answer
    x = 29,877.83

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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.