Home / 54,303.92-74,935.31-30,425.98

Finding the Fourth Proportional to 54,303.92, 74,935.31 and 30,425.98

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Solution

The fourth proportional to 54,303.92, 74,935.31 and 30,425.98 is: 41,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,303.92 : 74,935.31 = 30,425.98 : x
  2. Step 2: Convert to fraction form
    54,303.92/74,935.31 = 30,425.98/x
  3. Step 3: Cross multiply
    54,303.92x = 74,935.31 × 30,425.98
  4. Step 4: Simplify right side
    54,303.92x = 2,279,979,868.68
  5. Step 5: Solve for x
    x = 2,279,979,868.68/54,303.92
  6. Step 6: Final answer
    x = 41,985.55

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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.