Home / 54,185.37-74,778.62-30,312.44

Finding the Fourth Proportional to 54,185.37, 74,778.62 and 30,312.44

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Solution

The fourth proportional to 54,185.37, 74,778.62 and 30,312.44 is: 41,832.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,185.37 : 74,778.62 = 30,312.44 : x
  2. Step 2: Convert to fraction form
    54,185.37/74,778.62 = 30,312.44/x
  3. Step 3: Cross multiply
    54,185.37x = 74,778.62 × 30,312.44
  4. Step 4: Simplify right side
    54,185.37x = 2,266,722,432.03
  5. Step 5: Solve for x
    x = 2,266,722,432.03/54,185.37
  6. Step 6: Final answer
    x = 41,832.74

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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.