Home / 54,013.74-74,538.93-30,140.56

Finding the Fourth Proportional to 54,013.74, 74,538.93 and 30,140.56

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Solution

The fourth proportional to 54,013.74, 74,538.93 and 30,140.56 is: 41,593.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,013.74 : 74,538.93 = 30,140.56 : x
  2. Step 2: Convert to fraction form
    54,013.74/74,538.93 = 30,140.56/x
  3. Step 3: Cross multiply
    54,013.74x = 74,538.93 × 30,140.56
  4. Step 4: Simplify right side
    54,013.74x = 2,246,644,878.92
  5. Step 5: Solve for x
    x = 2,246,644,878.92/54,013.74
  6. Step 6: Final answer
    x = 41,593.95

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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.