Home / 49,697.19-68,582.07-28,488.78

Finding the Fourth Proportional to 49,697.19, 68,582.07 and 28,488.78

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Solution

The fourth proportional to 49,697.19, 68,582.07 and 28,488.78 is: 39,314.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,697.19 : 68,582.07 = 28,488.78 : x
  2. Step 2: Convert to fraction form
    49,697.19/68,582.07 = 28,488.78/x
  3. Step 3: Cross multiply
    49,697.19x = 68,582.07 × 28,488.78
  4. Step 4: Simplify right side
    49,697.19x = 1,953,819,504.17
  5. Step 5: Solve for x
    x = 1,953,819,504.17/49,697.19
  6. Step 6: Final answer
    x = 39,314.49

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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.