Home / 53,975.20-74,485.64-30,101.90

Finding the Fourth Proportional to 53,975.20, 74,485.64 and 30,101.90

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Solution

The fourth proportional to 53,975.20, 74,485.64 and 30,101.90 is: 41,540.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,975.20 : 74,485.64 = 30,101.90 : x
  2. Step 2: Convert to fraction form
    53,975.20/74,485.64 = 30,101.90/x
  3. Step 3: Cross multiply
    53,975.20x = 74,485.64 × 30,101.90
  4. Step 4: Simplify right side
    53,975.20x = 2,242,159,286.72
  5. Step 5: Solve for x
    x = 2,242,159,286.72/53,975.20
  6. Step 6: Final answer
    x = 41,540.55

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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.