Home / 49,639.47-68,502.62-28,418.89

Finding the Fourth Proportional to 49,639.47, 68,502.62 and 28,418.89

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Solution

The fourth proportional to 49,639.47, 68,502.62 and 28,418.89 is: 39,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,639.47 : 68,502.62 = 28,418.89 : x
  2. Step 2: Convert to fraction form
    49,639.47/68,502.62 = 28,418.89/x
  3. Step 3: Cross multiply
    49,639.47x = 68,502.62 × 28,418.89
  4. Step 4: Simplify right side
    49,639.47x = 1,946,768,422.49
  5. Step 5: Solve for x
    x = 1,946,768,422.49/49,639.47
  6. Step 6: Final answer
    x = 39,218.15

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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.