Home / 49,911.05-68,888.81-28,702.55

Finding the Fourth Proportional to 49,911.05, 68,888.81 and 28,702.55

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Solution

The fourth proportional to 49,911.05, 68,888.81 and 28,702.55 is: 39,616.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,911.05 : 68,888.81 = 28,702.55 : x
  2. Step 2: Convert to fraction form
    49,911.05/68,888.81 = 28,702.55/x
  3. Step 3: Cross multiply
    49,911.05x = 68,888.81 × 28,702.55
  4. Step 4: Simplify right side
    49,911.05x = 1,977,284,513.47
  5. Step 5: Solve for x
    x = 1,977,284,513.47/49,911.05
  6. Step 6: Final answer
    x = 39,616.17

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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.