Home / 53,769.85-74,181.08-31,104.64

Finding the Fourth Proportional to 53,769.85, 74,181.08 and 31,104.64

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Solution

The fourth proportional to 53,769.85, 74,181.08 and 31,104.64 is: 42,912.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,769.85 : 74,181.08 = 31,104.64 : x
  2. Step 2: Convert to fraction form
    53,769.85/74,181.08 = 31,104.64/x
  3. Step 3: Cross multiply
    53,769.85x = 74,181.08 × 31,104.64
  4. Step 4: Simplify right side
    53,769.85x = 2,307,375,261.78
  5. Step 5: Solve for x
    x = 2,307,375,261.78/53,769.85
  6. Step 6: Final answer
    x = 42,912.07

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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.