Home / 56,764.44-78,331.62-41,720.28

Finding the Fourth Proportional to 56,764.44, 78,331.62 and 41,720.28

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Solution

The fourth proportional to 56,764.44, 78,331.62 and 41,720.28 is: 57,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,764.44 : 78,331.62 = 41,720.28 : x
  2. Step 2: Convert to fraction form
    56,764.44/78,331.62 = 41,720.28/x
  3. Step 3: Cross multiply
    56,764.44x = 78,331.62 × 41,720.28
  4. Step 4: Simplify right side
    56,764.44x = 3,268,017,119.25
  5. Step 5: Solve for x
    x = 3,268,017,119.25/56,764.44
  6. Step 6: Final answer
    x = 57,571.56

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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.