Home / 49,599.70-74,380.51-21,118.60

Finding the Fourth Proportional to 49,599.70, 74,380.51 and 21,118.60

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Solution

The fourth proportional to 49,599.70, 74,380.51 and 21,118.60 is: 31,669.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,599.70 : 74,380.51 = 21,118.60 : x
  2. Step 2: Convert to fraction form
    49,599.70/74,380.51 = 21,118.60/x
  3. Step 3: Cross multiply
    49,599.70x = 74,380.51 × 21,118.60
  4. Step 4: Simplify right side
    49,599.70x = 1,570,812,238.49
  5. Step 5: Solve for x
    x = 1,570,812,238.49/49,599.70
  6. Step 6: Final answer
    x = 31,669.79

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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.