Home / 51,501.92-77,287.50-18,221.85

Finding the Fourth Proportional to 51,501.92, 77,287.50 and 18,221.85

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Solution

The fourth proportional to 51,501.92, 77,287.50 and 18,221.85 is: 27,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,501.92 : 77,287.50 = 18,221.85 : x
  2. Step 2: Convert to fraction form
    51,501.92/77,287.50 = 18,221.85/x
  3. Step 3: Cross multiply
    51,501.92x = 77,287.50 × 18,221.85
  4. Step 4: Simplify right side
    51,501.92x = 1,408,321,231.88
  5. Step 5: Solve for x
    x = 1,408,321,231.88/51,501.92
  6. Step 6: Final answer
    x = 27,345.03

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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.