Home / 49,856.78-74,799.30-20,295.82

Finding the Fourth Proportional to 49,856.78, 74,799.30 and 20,295.82

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Solution

The fourth proportional to 49,856.78, 74,799.30 and 20,295.82 is: 30,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,856.78 : 74,799.30 = 20,295.82 : x
  2. Step 2: Convert to fraction form
    49,856.78/74,799.30 = 20,295.82/x
  3. Step 3: Cross multiply
    49,856.78x = 74,799.30 × 20,295.82
  4. Step 4: Simplify right side
    49,856.78x = 1,518,113,128.93
  5. Step 5: Solve for x
    x = 1,518,113,128.93/49,856.78
  6. Step 6: Final answer
    x = 30,449.48

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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.