Home / 53,912.52-74,400.84-31,251.60

Finding the Fourth Proportional to 53,912.52, 74,400.84 and 31,251.60

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Solution

The fourth proportional to 53,912.52, 74,400.84 and 31,251.60 is: 43,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,912.52 : 74,400.84 = 31,251.60 : x
  2. Step 2: Convert to fraction form
    53,912.52/74,400.84 = 31,251.60/x
  3. Step 3: Cross multiply
    53,912.52x = 74,400.84 × 31,251.60
  4. Step 4: Simplify right side
    53,912.52x = 2,325,145,291.34
  5. Step 5: Solve for x
    x = 2,325,145,291.34/53,912.52
  6. Step 6: Final answer
    x = 43,128.11

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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.