Home / 48,317.12-66,694-30,442.08

Finding the Fourth Proportional to 48,317.12, 66,694 and 30,442.08

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Solution

The fourth proportional to 48,317.12, 66,694 and 30,442.08 is: 42,020.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,317.12 : 66,694 = 30,442.08 : x
  2. Step 2: Convert to fraction form
    48,317.12/66,694 = 30,442.08/x
  3. Step 3: Cross multiply
    48,317.12x = 66,694 × 30,442.08
  4. Step 4: Simplify right side
    48,317.12x = 2,030,304,083.52
  5. Step 5: Solve for x
    x = 2,030,304,083.52/48,317.12
  6. Step 6: Final answer
    x = 42,020.39

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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.