Home / 48,782.84-73,172.57-20,684.81

Finding the Fourth Proportional to 48,782.84, 73,172.57 and 20,684.81

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Solution

The fourth proportional to 48,782.84, 73,172.57 and 20,684.81 is: 31,026.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,782.84 : 73,172.57 = 20,684.81 : x
  2. Step 2: Convert to fraction form
    48,782.84/73,172.57 = 20,684.81/x
  3. Step 3: Cross multiply
    48,782.84x = 73,172.57 × 20,684.81
  4. Step 4: Simplify right side
    48,782.84x = 1,513,560,787.17
  5. Step 5: Solve for x
    x = 1,513,560,787.17/48,782.84
  6. Step 6: Final answer
    x = 31,026.50

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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.