Home / 38,948.72-58,431.71-18,160.88

Finding the Fourth Proportional to 38,948.72, 58,431.71 and 18,160.88

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Solution

The fourth proportional to 38,948.72, 58,431.71 and 18,160.88 is: 27,245.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,948.72 : 58,431.71 = 18,160.88 : x
  2. Step 2: Convert to fraction form
    38,948.72/58,431.71 = 18,160.88/x
  3. Step 3: Cross multiply
    38,948.72x = 58,431.71 × 18,160.88
  4. Step 4: Simplify right side
    38,948.72x = 1,061,171,026.75
  5. Step 5: Solve for x
    x = 1,061,171,026.75/38,948.72
  6. Step 6: Final answer
    x = 27,245.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.