Home / 35,788.32-49,385.92-19,871.76

Finding the Fourth Proportional to 35,788.32, 49,385.92 and 19,871.76

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Solution

The fourth proportional to 35,788.32, 49,385.92 and 19,871.76 is: 27,421.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,788.32 : 49,385.92 = 19,871.76 : x
  2. Step 2: Convert to fraction form
    35,788.32/49,385.92 = 19,871.76/x
  3. Step 3: Cross multiply
    35,788.32x = 49,385.92 × 19,871.76
  4. Step 4: Simplify right side
    35,788.32x = 981,385,149.62
  5. Step 5: Solve for x
    x = 981,385,149.62/35,788.32
  6. Step 6: Final answer
    x = 27,421.94

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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.