Home / 49,448.48-68,251.10-28,240.04

Finding the Fourth Proportional to 49,448.48, 68,251.10 and 28,240.04

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Solution

The fourth proportional to 49,448.48, 68,251.10 and 28,240.04 is: 38,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,448.48 : 68,251.10 = 28,240.04 : x
  2. Step 2: Convert to fraction form
    49,448.48/68,251.10 = 28,240.04/x
  3. Step 3: Cross multiply
    49,448.48x = 68,251.10 × 28,240.04
  4. Step 4: Simplify right side
    49,448.48x = 1,927,413,794.04
  5. Step 5: Solve for x
    x = 1,927,413,794.04/49,448.48
  6. Step 6: Final answer
    x = 38,978.23

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1.5x scale

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.