Home / 49,908.96-68,874.36-28,692.36

Finding the Fourth Proportional to 49,908.96, 68,874.36 and 28,692.36

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Solution

The fourth proportional to 49,908.96, 68,874.36 and 28,692.36 is: 39,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,908.96 : 68,874.36 = 28,692.36 : x
  2. Step 2: Convert to fraction form
    49,908.96/68,874.36 = 28,692.36/x
  3. Step 3: Cross multiply
    49,908.96x = 68,874.36 × 28,692.36
  4. Step 4: Simplify right side
    49,908.96x = 1,976,167,931.89
  5. Step 5: Solve for x
    x = 1,976,167,931.89/49,908.96
  6. Step 6: Final answer
    x = 39,595.45

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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.