Home / 49,795.48-68,811.64-39,268.72

Finding the Fourth Proportional to 49,795.48, 68,811.64 and 39,268.72

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Solution

The fourth proportional to 49,795.48, 68,811.64 and 39,268.72 is: 54,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,795.48 : 68,811.64 = 39,268.72 : x
  2. Step 2: Convert to fraction form
    49,795.48/68,811.64 = 39,268.72/x
  3. Step 3: Cross multiply
    49,795.48x = 68,811.64 × 39,268.72
  4. Step 4: Simplify right side
    49,795.48x = 2,702,145,023.90
  5. Step 5: Solve for x
    x = 2,702,145,023.90/49,795.48
  6. Step 6: Final answer
    x = 54,264.87

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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.