Home / 49,977.40-68,971.38-28,759.84

Finding the Fourth Proportional to 49,977.40, 68,971.38 and 28,759.84

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Solution

The fourth proportional to 49,977.40, 68,971.38 and 28,759.84 is: 39,690.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,977.40 : 68,971.38 = 28,759.84 : x
  2. Step 2: Convert to fraction form
    49,977.40/68,971.38 = 28,759.84/x
  3. Step 3: Cross multiply
    49,977.40x = 68,971.38 × 28,759.84
  4. Step 4: Simplify right side
    49,977.40x = 1,983,605,853.38
  5. Step 5: Solve for x
    x = 1,983,605,853.38/49,977.40
  6. Step 6: Final answer
    x = 39,690.06

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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.