Home / 54,234.78-74,841.80-31,574.42

Finding the Fourth Proportional to 54,234.78, 74,841.80 and 31,574.42

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Solution

The fourth proportional to 54,234.78, 74,841.80 and 31,574.42 is: 43,571.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,234.78 : 74,841.80 = 31,574.42 : x
  2. Step 2: Convert to fraction form
    54,234.78/74,841.80 = 31,574.42/x
  3. Step 3: Cross multiply
    54,234.78x = 74,841.80 × 31,574.42
  4. Step 4: Simplify right side
    54,234.78x = 2,363,086,426.76
  5. Step 5: Solve for x
    x = 2,363,086,426.76/54,234.78
  6. Step 6: Final answer
    x = 43,571.42

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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.