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Finding the Fourth Proportional to 32,385.62, 48,491.94 and 19,047.48

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Solution

The fourth proportional to 32,385.62, 48,491.94 and 19,047.48 is: 28,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,385.62 : 48,491.94 = 19,047.48 : x
  2. Step 2: Convert to fraction form
    32,385.62/48,491.94 = 19,047.48/x
  3. Step 3: Cross multiply
    32,385.62x = 48,491.94 × 19,047.48
  4. Step 4: Simplify right side
    32,385.62x = 923,649,257.31
  5. Step 5: Solve for x
    x = 923,649,257.31/32,385.62
  6. Step 6: Final answer
    x = 28,520.35

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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.