Home / 54,185.80-74,773.48-29,985.70

Finding the Fourth Proportional to 54,185.80, 74,773.48 and 29,985.70

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Solution

The fourth proportional to 54,185.80, 74,773.48 and 29,985.70 is: 41,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,185.80 : 74,773.48 = 29,985.70 : x
  2. Step 2: Convert to fraction form
    54,185.80/74,773.48 = 29,985.70/x
  3. Step 3: Cross multiply
    54,185.80x = 74,773.48 × 29,985.70
  4. Step 4: Simplify right side
    54,185.80x = 2,242,135,139.24
  5. Step 5: Solve for x
    x = 2,242,135,139.24/54,185.80
  6. Step 6: Final answer
    x = 41,378.65

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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.