Home / 49,842.45-68,780.92-29,688.90

Finding the Fourth Proportional to 49,842.45, 68,780.92 and 29,688.90

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Solution

The fourth proportional to 49,842.45, 68,780.92 and 29,688.90 is: 40,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,842.45 : 68,780.92 = 29,688.90 : x
  2. Step 2: Convert to fraction form
    49,842.45/68,780.92 = 29,688.90/x
  3. Step 3: Cross multiply
    49,842.45x = 68,780.92 × 29,688.90
  4. Step 4: Simplify right side
    49,842.45x = 2,042,030,243.14
  5. Step 5: Solve for x
    x = 2,042,030,243.14/49,842.45
  6. Step 6: Final answer
    x = 40,969.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.