Home / 51,748.85-77,608.25-20,151.85

Finding the Fourth Proportional to 51,748.85, 77,608.25 and 20,151.85

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Solution

The fourth proportional to 51,748.85, 77,608.25 and 20,151.85 is: 30,221.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,748.85 : 77,608.25 = 20,151.85 : x
  2. Step 2: Convert to fraction form
    51,748.85/77,608.25 = 20,151.85/x
  3. Step 3: Cross multiply
    51,748.85x = 77,608.25 × 20,151.85
  4. Step 4: Simplify right side
    51,748.85x = 1,563,949,812.76
  5. Step 5: Solve for x
    x = 1,563,949,812.76/51,748.85
  6. Step 6: Final answer
    x = 30,221.92

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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.