Home / 38,214.78-57,353.76-19,508.64

Finding the Fourth Proportional to 38,214.78, 57,353.76 and 19,508.64

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Solution

The fourth proportional to 38,214.78, 57,353.76 and 19,508.64 is: 29,279.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,214.78 : 57,353.76 = 19,508.64 : x
  2. Step 2: Convert to fraction form
    38,214.78/57,353.76 = 19,508.64/x
  3. Step 3: Cross multiply
    38,214.78x = 57,353.76 × 19,508.64
  4. Step 4: Simplify right side
    38,214.78x = 1,118,893,856.49
  5. Step 5: Solve for x
    x = 1,118,893,856.49/38,214.78
  6. Step 6: Final answer
    x = 29,279.09

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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.