Home / 49,918.62-74,856.06-18,732

Finding the Fourth Proportional to 49,918.62, 74,856.06 and 18,732

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Solution

The fourth proportional to 49,918.62, 74,856.06 and 18,732 is: 28,089.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,918.62 : 74,856.06 = 18,732 : x
  2. Step 2: Convert to fraction form
    49,918.62/74,856.06 = 18,732/x
  3. Step 3: Cross multiply
    49,918.62x = 74,856.06 × 18,732
  4. Step 4: Simplify right side
    49,918.62x = 1,402,203,715.92
  5. Step 5: Solve for x
    x = 1,402,203,715.92/49,918.62
  6. Step 6: Final answer
    x = 28,089.79

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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.