Home / 49,554.48-68,389.92-28,329.72

Finding the Fourth Proportional to 49,554.48, 68,389.92 and 28,329.72

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Solution

The fourth proportional to 49,554.48, 68,389.92 and 28,329.72 is: 39,097.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,554.48 : 68,389.92 = 28,329.72 : x
  2. Step 2: Convert to fraction form
    49,554.48/68,389.92 = 28,329.72/x
  3. Step 3: Cross multiply
    49,554.48x = 68,389.92 × 28,329.72
  4. Step 4: Simplify right side
    49,554.48x = 1,937,467,284.42
  5. Step 5: Solve for x
    x = 1,937,467,284.42/49,554.48
  6. Step 6: Final answer
    x = 39,097.72

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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.