Home / 39,765.60-54,873.99-22,769.82

Finding the Fourth Proportional to 39,765.60, 54,873.99 and 22,769.82

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Solution

The fourth proportional to 39,765.60, 54,873.99 and 22,769.82 is: 31,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,765.60 : 54,873.99 = 22,769.82 : x
  2. Step 2: Convert to fraction form
    39,765.60/54,873.99 = 22,769.82/x
  3. Step 3: Cross multiply
    39,765.60x = 54,873.99 × 22,769.82
  4. Step 4: Simplify right side
    39,765.60x = 1,249,470,874.98
  5. Step 5: Solve for x
    x = 1,249,470,874.98/39,765.60
  6. Step 6: Final answer
    x = 31,420.90

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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.