Home / 49,558.84-74,338.56-12,119.22

Finding the Fourth Proportional to 49,558.84, 74,338.56 and 12,119.22

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Solution

The fourth proportional to 49,558.84, 74,338.56 and 12,119.22 is: 18,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,558.84 : 74,338.56 = 12,119.22 : x
  2. Step 2: Convert to fraction form
    49,558.84/74,338.56 = 12,119.22/x
  3. Step 3: Cross multiply
    49,558.84x = 74,338.56 × 12,119.22
  4. Step 4: Simplify right side
    49,558.84x = 900,925,363.12
  5. Step 5: Solve for x
    x = 900,925,363.12/49,558.84
  6. Step 6: Final answer
    x = 18,178.90

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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.