Home / 49,403.08-68,169.90-28,181.08

Finding the Fourth Proportional to 49,403.08, 68,169.90 and 28,181.08

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Solution

The fourth proportional to 49,403.08, 68,169.90 and 28,181.08 is: 38,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,403.08 : 68,169.90 = 28,181.08 : x
  2. Step 2: Convert to fraction form
    49,403.08/68,169.90 = 28,181.08/x
  3. Step 3: Cross multiply
    49,403.08x = 68,169.90 × 28,181.08
  4. Step 4: Simplify right side
    49,403.08x = 1,921,101,405.49
  5. Step 5: Solve for x
    x = 1,921,101,405.49/49,403.08
  6. Step 6: Final answer
    x = 38,886.27

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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.