Home / 54,279.55-74,904.43-30,406.06

Finding the Fourth Proportional to 54,279.55, 74,904.43 and 30,406.06

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Solution

The fourth proportional to 54,279.55, 74,904.43 and 30,406.06 is: 41,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,279.55 : 74,904.43 = 30,406.06 : x
  2. Step 2: Convert to fraction form
    54,279.55/74,904.43 = 30,406.06/x
  3. Step 3: Cross multiply
    54,279.55x = 74,904.43 × 30,406.06
  4. Step 4: Simplify right side
    54,279.55x = 2,277,548,066.29
  5. Step 5: Solve for x
    x = 2,277,548,066.29/54,279.55
  6. Step 6: Final answer
    x = 41,959.60

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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.