Home / 49,577.13-68,416.25-28,356.75

Finding the Fourth Proportional to 49,577.13, 68,416.25 and 28,356.75

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Solution

The fourth proportional to 49,577.13, 68,416.25 and 28,356.75 is: 39,132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,577.13 : 68,416.25 = 28,356.75 : x
  2. Step 2: Convert to fraction form
    49,577.13/68,416.25 = 28,356.75/x
  3. Step 3: Cross multiply
    49,577.13x = 68,416.25 × 28,356.75
  4. Step 4: Simplify right side
    49,577.13x = 1,940,062,355.40
  5. Step 5: Solve for x
    x = 1,940,062,355.40/49,577.13
  6. Step 6: Final answer
    x = 39,132.20

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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.