Home / 49,698.19-68,583.45-28,489.78

Finding the Fourth Proportional to 49,698.19, 68,583.45 and 28,489.78

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Solution

The fourth proportional to 49,698.19, 68,583.45 and 28,489.78 is: 39,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,698.19 : 68,583.45 = 28,489.78 : x
  2. Step 2: Convert to fraction form
    49,698.19/68,583.45 = 28,489.78/x
  3. Step 3: Cross multiply
    49,698.19x = 68,583.45 × 28,489.78
  4. Step 4: Simplify right side
    49,698.19x = 1,953,927,402.14
  5. Step 5: Solve for x
    x = 1,953,927,402.14/49,698.19
  6. Step 6: Final answer
    x = 39,315.87

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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.