Home / 37,906.38-56,856.30-12,947.04

Finding the Fourth Proportional to 37,906.38, 56,856.30 and 12,947.04

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Solution

The fourth proportional to 37,906.38, 56,856.30 and 12,947.04 is: 19,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,906.38 : 56,856.30 = 12,947.04 : x
  2. Step 2: Convert to fraction form
    37,906.38/56,856.30 = 12,947.04/x
  3. Step 3: Cross multiply
    37,906.38x = 56,856.30 × 12,947.04
  4. Step 4: Simplify right side
    37,906.38x = 736,120,790.35
  5. Step 5: Solve for x
    x = 736,120,790.35/37,906.38
  6. Step 6: Final answer
    x = 19,419.44

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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.