Home / 54,307.05-74,939.95-30,107.82

Finding the Fourth Proportional to 54,307.05, 74,939.95 and 30,107.82

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Solution

The fourth proportional to 54,307.05, 74,939.95 and 30,107.82 is: 41,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,307.05 : 74,939.95 = 30,107.82 : x
  2. Step 2: Convert to fraction form
    54,307.05/74,939.95 = 30,107.82/x
  3. Step 3: Cross multiply
    54,307.05x = 74,939.95 × 30,107.82
  4. Step 4: Simplify right side
    54,307.05x = 2,256,278,525.41
  5. Step 5: Solve for x
    x = 2,256,278,525.41/54,307.05
  6. Step 6: Final answer
    x = 41,546.70

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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.