Home / 64,619.18-96,928.66-20,249.34

Finding the Fourth Proportional to 64,619.18, 96,928.66 and 20,249.34

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Solution

The fourth proportional to 64,619.18, 96,928.66 and 20,249.34 is: 30,373.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,619.18 : 96,928.66 = 20,249.34 : x
  2. Step 2: Convert to fraction form
    64,619.18/96,928.66 = 20,249.34/x
  3. Step 3: Cross multiply
    64,619.18x = 96,928.66 × 20,249.34
  4. Step 4: Simplify right side
    64,619.18x = 1,962,741,392.08
  5. Step 5: Solve for x
    x = 1,962,741,392.08/64,619.18
  6. Step 6: Final answer
    x = 30,373.98

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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.