Home / 48,330.40-72,463.20-22,021.60

Finding the Fourth Proportional to 48,330.40, 72,463.20 and 22,021.60

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Solution

The fourth proportional to 48,330.40, 72,463.20 and 22,021.60 is: 33,017.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,330.40 : 72,463.20 = 22,021.60 : x
  2. Step 2: Convert to fraction form
    48,330.40/72,463.20 = 22,021.60/x
  3. Step 3: Cross multiply
    48,330.40x = 72,463.20 × 22,021.60
  4. Step 4: Simplify right side
    48,330.40x = 1,595,755,605.12
  5. Step 5: Solve for x
    x = 1,595,755,605.12/48,330.40
  6. Step 6: Final answer
    x = 33,017.64

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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.