Home / 53,721.81-74,135.55-29,847.96

Finding the Fourth Proportional to 53,721.81, 74,135.55 and 29,847.96

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Solution

The fourth proportional to 53,721.81, 74,135.55 and 29,847.96 is: 41,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,721.81 : 74,135.55 = 29,847.96 : x
  2. Step 2: Convert to fraction form
    53,721.81/74,135.55 = 29,847.96/x
  3. Step 3: Cross multiply
    53,721.81x = 74,135.55 × 29,847.96
  4. Step 4: Simplify right side
    53,721.81x = 2,212,794,930.98
  5. Step 5: Solve for x
    x = 2,212,794,930.98/53,721.81
  6. Step 6: Final answer
    x = 41,189.88

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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.