Home / 37,255.72-55,882.14-12,631.72

Finding the Fourth Proportional to 37,255.72, 55,882.14 and 12,631.72

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Solution

The fourth proportional to 37,255.72, 55,882.14 and 12,631.72 is: 18,947.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,255.72 : 55,882.14 = 12,631.72 : x
  2. Step 2: Convert to fraction form
    37,255.72/55,882.14 = 12,631.72/x
  3. Step 3: Cross multiply
    37,255.72x = 55,882.14 × 12,631.72
  4. Step 4: Simplify right side
    37,255.72x = 705,887,545.48
  5. Step 5: Solve for x
    x = 705,887,545.48/37,255.72
  6. Step 6: Final answer
    x = 18,947.09

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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.