Home / 39,664.99-54,734.20-22,665.86

Finding the Fourth Proportional to 39,664.99, 54,734.20 and 22,665.86

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Solution

The fourth proportional to 39,664.99, 54,734.20 and 22,665.86 is: 31,276.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,664.99 : 54,734.20 = 22,665.86 : x
  2. Step 2: Convert to fraction form
    39,664.99/54,734.20 = 22,665.86/x
  3. Step 3: Cross multiply
    39,664.99x = 54,734.20 × 22,665.86
  4. Step 4: Simplify right side
    39,664.99x = 1,240,597,714.41
  5. Step 5: Solve for x
    x = 1,240,597,714.41/39,664.99
  6. Step 6: Final answer
    x = 31,276.89

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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.