Home / 51,565.24-77,194.68-28,120.60

Finding the Fourth Proportional to 51,565.24, 77,194.68 and 28,120.60

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Solution

The fourth proportional to 51,565.24, 77,194.68 and 28,120.60 is: 42,097.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,565.24 : 77,194.68 = 28,120.60 : x
  2. Step 2: Convert to fraction form
    51,565.24/77,194.68 = 28,120.60/x
  3. Step 3: Cross multiply
    51,565.24x = 77,194.68 × 28,120.60
  4. Step 4: Simplify right side
    51,565.24x = 2,170,760,718.41
  5. Step 5: Solve for x
    x = 2,170,760,718.41/51,565.24
  6. Step 6: Final answer
    x = 42,097.36

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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.