Home / 49,767.12-68,688.72-28,560.96

Finding the Fourth Proportional to 49,767.12, 68,688.72 and 28,560.96

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Solution

The fourth proportional to 49,767.12, 68,688.72 and 28,560.96 is: 39,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,767.12 : 68,688.72 = 28,560.96 : x
  2. Step 2: Convert to fraction form
    49,767.12/68,688.72 = 28,560.96/x
  3. Step 3: Cross multiply
    49,767.12x = 68,688.72 × 28,560.96
  4. Step 4: Simplify right side
    49,767.12x = 1,961,815,784.37
  5. Step 5: Solve for x
    x = 1,961,815,784.37/49,767.12
  6. Step 6: Final answer
    x = 39,419.92

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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.