Home / 56,728.20-78,283.62-35,519.16

Finding the Fourth Proportional to 56,728.20, 78,283.62 and 35,519.16

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Solution

The fourth proportional to 56,728.20, 78,283.62 and 35,519.16 is: 49,015.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,728.20 : 78,283.62 = 35,519.16 : x
  2. Step 2: Convert to fraction form
    56,728.20/78,283.62 = 35,519.16/x
  3. Step 3: Cross multiply
    56,728.20x = 78,283.62 × 35,519.16
  4. Step 4: Simplify right side
    56,728.20x = 2,780,568,424.16
  5. Step 5: Solve for x
    x = 2,780,568,424.16/56,728.20
  6. Step 6: Final answer
    x = 49,015.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.