Home / 54,192.41-74,811.09-40,768.79

Finding the Fourth Proportional to 54,192.41, 74,811.09 and 40,768.79

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Solution

The fourth proportional to 54,192.41, 74,811.09 and 40,768.79 is: 56,280.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,192.41 : 74,811.09 = 40,768.79 : x
  2. Step 2: Convert to fraction form
    54,192.41/74,811.09 = 40,768.79/x
  3. Step 3: Cross multiply
    54,192.41x = 74,811.09 × 40,768.79
  4. Step 4: Simplify right side
    54,192.41x = 3,049,957,396.71
  5. Step 5: Solve for x
    x = 3,049,957,396.71/54,192.41
  6. Step 6: Final answer
    x = 56,280.16

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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.