Home / 54,330.94-74,972.90-30,133.18

Finding the Fourth Proportional to 54,330.94, 74,972.90 and 30,133.18

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Solution

The fourth proportional to 54,330.94, 74,972.90 and 30,133.18 is: 41,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,330.94 : 74,972.90 = 30,133.18 : x
  2. Step 2: Convert to fraction form
    54,330.94/74,972.90 = 30,133.18/x
  3. Step 3: Cross multiply
    54,330.94x = 74,972.90 × 30,133.18
  4. Step 4: Simplify right side
    54,330.94x = 2,259,171,890.82
  5. Step 5: Solve for x
    x = 2,259,171,890.82/54,330.94
  6. Step 6: Final answer
    x = 41,581.68

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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.