Home / 49,435.72-68,226.20-28,218.20

Finding the Fourth Proportional to 49,435.72, 68,226.20 and 28,218.20

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Solution

The fourth proportional to 49,435.72, 68,226.20 and 28,218.20 is: 38,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,435.72 : 68,226.20 = 28,218.20 : x
  2. Step 2: Convert to fraction form
    49,435.72/68,226.20 = 28,218.20/x
  3. Step 3: Cross multiply
    49,435.72x = 68,226.20 × 28,218.20
  4. Step 4: Simplify right side
    49,435.72x = 1,925,220,556.84
  5. Step 5: Solve for x
    x = 1,925,220,556.84/49,435.72
  6. Step 6: Final answer
    x = 38,943.92

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Half scale
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Double scale
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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.