Home / 63,638.98-95,470.18-20,946.81

Finding the Fourth Proportional to 63,638.98, 95,470.18 and 20,946.81

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Solution

The fourth proportional to 63,638.98, 95,470.18 and 20,946.81 is: 31,424.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,638.98 : 95,470.18 = 20,946.81 : x
  2. Step 2: Convert to fraction form
    63,638.98/95,470.18 = 20,946.81/x
  3. Step 3: Cross multiply
    63,638.98x = 95,470.18 × 20,946.81
  4. Step 4: Simplify right side
    63,638.98x = 1,999,795,296.14
  5. Step 5: Solve for x
    x = 1,999,795,296.14/63,638.98
  6. Step 6: Final answer
    x = 31,424.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.