Home / 48,252.86-72,378.60-21,591.80

Finding the Fourth Proportional to 48,252.86, 72,378.60 and 21,591.80

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Solution

The fourth proportional to 48,252.86, 72,378.60 and 21,591.80 is: 32,387.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,252.86 : 72,378.60 = 21,591.80 : x
  2. Step 2: Convert to fraction form
    48,252.86/72,378.60 = 21,591.80/x
  3. Step 3: Cross multiply
    48,252.86x = 72,378.60 × 21,591.80
  4. Step 4: Simplify right side
    48,252.86x = 1,562,784,255.48
  5. Step 5: Solve for x
    x = 1,562,784,255.48/48,252.86
  6. Step 6: Final answer
    x = 32,387.39

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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.