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Finding the Fourth Proportional to 63,630.72, 95,447.28 and 19,257.30

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Solution

The fourth proportional to 63,630.72, 95,447.28 and 19,257.30 is: 28,886.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,630.72 : 95,447.28 = 19,257.30 : x
  2. Step 2: Convert to fraction form
    63,630.72/95,447.28 = 19,257.30/x
  3. Step 3: Cross multiply
    63,630.72x = 95,447.28 × 19,257.30
  4. Step 4: Simplify right side
    63,630.72x = 1,838,056,905.14
  5. Step 5: Solve for x
    x = 1,838,056,905.14/63,630.72
  6. Step 6: Final answer
    x = 28,886.31

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1.5x scale

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.