Home / 51,743.76-77,629.92-20,600.88

Finding the Fourth Proportional to 51,743.76, 77,629.92 and 20,600.88

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Solution

The fourth proportional to 51,743.76, 77,629.92 and 20,600.88 is: 30,907.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,743.76 : 77,629.92 = 20,600.88 : x
  2. Step 2: Convert to fraction form
    51,743.76/77,629.92 = 20,600.88/x
  3. Step 3: Cross multiply
    51,743.76x = 77,629.92 × 20,600.88
  4. Step 4: Simplify right side
    51,743.76x = 1,599,244,666.33
  5. Step 5: Solve for x
    x = 1,599,244,666.33/51,743.76
  6. Step 6: Final answer
    x = 30,907.01

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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.