Home / 58,845.25-81,206.73-31,987.75

Finding the Fourth Proportional to 58,845.25, 81,206.73 and 31,987.75

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Solution

The fourth proportional to 58,845.25, 81,206.73 and 31,987.75 is: 44,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,845.25 : 81,206.73 = 31,987.75 : x
  2. Step 2: Convert to fraction form
    58,845.25/81,206.73 = 31,987.75/x
  3. Step 3: Cross multiply
    58,845.25x = 81,206.73 × 31,987.75
  4. Step 4: Simplify right side
    58,845.25x = 2,597,620,577.56
  5. Step 5: Solve for x
    x = 2,597,620,577.56/58,845.25
  6. Step 6: Final answer
    x = 44,143.25

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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.