Home / 64,381.20-96,456.24-39,409.44

Finding the Fourth Proportional to 64,381.20, 96,456.24 and 39,409.44

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Solution

The fourth proportional to 64,381.20, 96,456.24 and 39,409.44 is: 59,043.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,381.20 : 96,456.24 = 39,409.44 : x
  2. Step 2: Convert to fraction form
    64,381.20/96,456.24 = 39,409.44/x
  3. Step 3: Cross multiply
    64,381.20x = 96,456.24 × 39,409.44
  4. Step 4: Simplify right side
    64,381.20x = 3,801,286,402.91
  5. Step 5: Solve for x
    x = 3,801,286,402.91/64,381.20
  6. Step 6: Final answer
    x = 59,043.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.