Home / 48,630.94-72,954.18-20,551.26

Finding the Fourth Proportional to 48,630.94, 72,954.18 and 20,551.26

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Solution

The fourth proportional to 48,630.94, 72,954.18 and 20,551.26 is: 30,830.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,630.94 : 72,954.18 = 20,551.26 : x
  2. Step 2: Convert to fraction form
    48,630.94/72,954.18 = 20,551.26/x
  3. Step 3: Cross multiply
    48,630.94x = 72,954.18 × 20,551.26
  4. Step 4: Simplify right side
    48,630.94x = 1,499,300,321.27
  5. Step 5: Solve for x
    x = 1,499,300,321.27/48,630.94
  6. Step 6: Final answer
    x = 30,830.17

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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.