Home / 54,235.11-74,840.29-30,358.53

Finding the Fourth Proportional to 54,235.11, 74,840.29 and 30,358.53

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Solution

The fourth proportional to 54,235.11, 74,840.29 and 30,358.53 is: 41,892.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,235.11 : 74,840.29 = 30,358.53 : x
  2. Step 2: Convert to fraction form
    54,235.11/74,840.29 = 30,358.53/x
  3. Step 3: Cross multiply
    54,235.11x = 74,840.29 × 30,358.53
  4. Step 4: Simplify right side
    54,235.11x = 2,272,041,189.17
  5. Step 5: Solve for x
    x = 2,272,041,189.17/54,235.11
  6. Step 6: Final answer
    x = 41,892.44

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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.