Home / 49,019.10-67,658.64-28,868.64

Finding the Fourth Proportional to 49,019.10, 67,658.64 and 28,868.64

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Solution

The fourth proportional to 49,019.10, 67,658.64 and 28,868.64 is: 39,845.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,019.10 : 67,658.64 = 28,868.64 : x
  2. Step 2: Convert to fraction form
    49,019.10/67,658.64 = 28,868.64/x
  3. Step 3: Cross multiply
    49,019.10x = 67,658.64 × 28,868.64
  4. Step 4: Simplify right side
    49,019.10x = 1,953,212,921.05
  5. Step 5: Solve for x
    x = 1,953,212,921.05/49,019.10
  6. Step 6: Final answer
    x = 39,845.96

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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.