Home / 54,306.75-74,937.24-30,429.99

Finding the Fourth Proportional to 54,306.75, 74,937.24 and 30,429.99

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Solution

The fourth proportional to 54,306.75, 74,937.24 and 30,429.99 is: 41,989.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,306.75 : 74,937.24 = 30,429.99 : x
  2. Step 2: Convert to fraction form
    54,306.75/74,937.24 = 30,429.99/x
  3. Step 3: Cross multiply
    54,306.75x = 74,937.24 × 30,429.99
  4. Step 4: Simplify right side
    54,306.75x = 2,280,339,463.83
  5. Step 5: Solve for x
    x = 2,280,339,463.83/54,306.75
  6. Step 6: Final answer
    x = 41,989.98

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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.