Home / 48,200.40-72,333.18-21,907.80

Finding the Fourth Proportional to 48,200.40, 72,333.18 and 21,907.80

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Solution

The fourth proportional to 48,200.40, 72,333.18 and 21,907.80 is: 32,876.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,200.40 : 72,333.18 = 21,907.80 : x
  2. Step 2: Convert to fraction form
    48,200.40/72,333.18 = 21,907.80/x
  3. Step 3: Cross multiply
    48,200.40x = 72,333.18 × 21,907.80
  4. Step 4: Simplify right side
    48,200.40x = 1,584,660,840.80
  5. Step 5: Solve for x
    x = 1,584,660,840.80/48,200.40
  6. Step 6: Final answer
    x = 32,876.51

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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.