Home / 54,230.40-74,837.92-30,357.08

Finding the Fourth Proportional to 54,230.40, 74,837.92 and 30,357.08

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Solution

The fourth proportional to 54,230.40, 74,837.92 and 30,357.08 is: 41,892.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,230.40 : 74,837.92 = 30,357.08 : x
  2. Step 2: Convert to fraction form
    54,230.40/74,837.92 = 30,357.08/x
  3. Step 3: Cross multiply
    54,230.40x = 74,837.92 × 30,357.08
  4. Step 4: Simplify right side
    54,230.40x = 2,271,860,724.47
  5. Step 5: Solve for x
    x = 2,271,860,724.47/54,230.40
  6. Step 6: Final answer
    x = 41,892.75

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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.