Home / 58,847.31-81,208.44-31,989.06

Finding the Fourth Proportional to 58,847.31, 81,208.44 and 31,989.06

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Solution

The fourth proportional to 58,847.31, 81,208.44 and 31,989.06 is: 44,144.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,847.31 : 81,208.44 = 31,989.06 : x
  2. Step 2: Convert to fraction form
    58,847.31/81,208.44 = 31,989.06/x
  3. Step 3: Cross multiply
    58,847.31x = 81,208.44 × 31,989.06
  4. Step 4: Simplify right side
    58,847.31x = 2,597,781,659.67
  5. Step 5: Solve for x
    x = 2,597,781,659.67/58,847.31
  6. Step 6: Final answer
    x = 44,144.44

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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.