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Finding the Fourth Proportional to 63,564.53, 95,362.22 and 19,188.63

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Solution

The fourth proportional to 63,564.53, 95,362.22 and 19,188.63 is: 28,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,564.53 : 95,362.22 = 19,188.63 : x
  2. Step 2: Convert to fraction form
    63,564.53/95,362.22 = 19,188.63/x
  3. Step 3: Cross multiply
    63,564.53x = 95,362.22 × 19,188.63
  4. Step 4: Simplify right side
    63,564.53x = 1,829,870,259.62
  5. Step 5: Solve for x
    x = 1,829,870,259.62/63,564.53
  6. Step 6: Final answer
    x = 28,787.60

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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.