Home / 64,235.28-96,364.77-22,121.56

Finding the Fourth Proportional to 64,235.28, 96,364.77 and 22,121.56

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Solution

The fourth proportional to 64,235.28, 96,364.77 and 22,121.56 is: 33,186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,235.28 : 96,364.77 = 22,121.56 : x
  2. Step 2: Convert to fraction form
    64,235.28/96,364.77 = 22,121.56/x
  3. Step 3: Cross multiply
    64,235.28x = 96,364.77 × 22,121.56
  4. Step 4: Simplify right side
    64,235.28x = 2,131,739,041.44
  5. Step 5: Solve for x
    x = 2,131,739,041.44/64,235.28
  6. Step 6: Final answer
    x = 33,186.42

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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.