Home / 48,223.50-66,548.43-31,456.50

Finding the Fourth Proportional to 48,223.50, 66,548.43 and 31,456.50

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Solution

The fourth proportional to 48,223.50, 66,548.43 and 31,456.50 is: 43,409.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,223.50 : 66,548.43 = 31,456.50 : x
  2. Step 2: Convert to fraction form
    48,223.50/66,548.43 = 31,456.50/x
  3. Step 3: Cross multiply
    48,223.50x = 66,548.43 × 31,456.50
  4. Step 4: Simplify right side
    48,223.50x = 2,093,380,688.30
  5. Step 5: Solve for x
    x = 2,093,380,688.30/48,223.50
  6. Step 6: Final answer
    x = 43,409.97

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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.