Home / 53,909.32-74,394.92-31,261.47

Finding the Fourth Proportional to 53,909.32, 74,394.92 and 31,261.47

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Solution

The fourth proportional to 53,909.32, 74,394.92 and 31,261.47 is: 43,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,909.32 : 74,394.92 = 31,261.47 : x
  2. Step 2: Convert to fraction form
    53,909.32/74,394.92 = 31,261.47/x
  3. Step 3: Cross multiply
    53,909.32x = 74,394.92 × 31,261.47
  4. Step 4: Simplify right side
    53,909.32x = 2,325,694,227.32
  5. Step 5: Solve for x
    x = 2,325,694,227.32/53,909.32
  6. Step 6: Final answer
    x = 43,140.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.