Home / 49,619.62-74,385.69-18,433

Finding the Fourth Proportional to 49,619.62, 74,385.69 and 18,433

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Solution

The fourth proportional to 49,619.62, 74,385.69 and 18,433 is: 27,633.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,619.62 : 74,385.69 = 18,433 : x
  2. Step 2: Convert to fraction form
    49,619.62/74,385.69 = 18,433/x
  3. Step 3: Cross multiply
    49,619.62x = 74,385.69 × 18,433
  4. Step 4: Simplify right side
    49,619.62x = 1,371,151,423.77
  5. Step 5: Solve for x
    x = 1,371,151,423.77/49,619.62
  6. Step 6: Final answer
    x = 27,633.25

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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.