Home / 54,192.42-74,811.12-40,768.80

Finding the Fourth Proportional to 54,192.42, 74,811.12 and 40,768.80

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Solution

The fourth proportional to 54,192.42, 74,811.12 and 40,768.80 is: 56,280.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,192.42 : 74,811.12 = 40,768.80 : x
  2. Step 2: Convert to fraction form
    54,192.42/74,811.12 = 40,768.80/x
  3. Step 3: Cross multiply
    54,192.42x = 74,811.12 × 40,768.80
  4. Step 4: Simplify right side
    54,192.42x = 3,049,959,589.06
  5. Step 5: Solve for x
    x = 3,049,959,589.06/54,192.42
  6. Step 6: Final answer
    x = 56,280.19

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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.