Home / 49,928.96-68,901.96-28,712.40

Finding the Fourth Proportional to 49,928.96, 68,901.96 and 28,712.40

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Solution

The fourth proportional to 49,928.96, 68,901.96 and 28,712.40 is: 39,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,928.96 : 68,901.96 = 28,712.40 : x
  2. Step 2: Convert to fraction form
    49,928.96/68,901.96 = 28,712.40/x
  3. Step 3: Cross multiply
    49,928.96x = 68,901.96 × 28,712.40
  4. Step 4: Simplify right side
    49,928.96x = 1,978,340,636.30
  5. Step 5: Solve for x
    x = 1,978,340,636.30/49,928.96
  6. Step 6: Final answer
    x = 39,623.11

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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.