Home / 51,895.60-77,843.40-40,231.60

Finding the Fourth Proportional to 51,895.60, 77,843.40 and 40,231.60

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Solution

The fourth proportional to 51,895.60, 77,843.40 and 40,231.60 is: 60,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,895.60 : 77,843.40 = 40,231.60 : x
  2. Step 2: Convert to fraction form
    51,895.60/77,843.40 = 40,231.60/x
  3. Step 3: Cross multiply
    51,895.60x = 77,843.40 × 40,231.60
  4. Step 4: Simplify right side
    51,895.60x = 3,131,764,531.44
  5. Step 5: Solve for x
    x = 3,131,764,531.44/51,895.60
  6. Step 6: Final answer
    x = 60,347.40

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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.