Home / 64,626.42-96,939.66-20,253.18

Finding the Fourth Proportional to 64,626.42, 96,939.66 and 20,253.18

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Solution

The fourth proportional to 64,626.42, 96,939.66 and 20,253.18 is: 30,379.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,626.42 : 96,939.66 = 20,253.18 : x
  2. Step 2: Convert to fraction form
    64,626.42/96,939.66 = 20,253.18/x
  3. Step 3: Cross multiply
    64,626.42x = 96,939.66 × 20,253.18
  4. Step 4: Simplify right side
    64,626.42x = 1,963,336,383.12
  5. Step 5: Solve for x
    x = 1,963,336,383.12/64,626.42
  6. Step 6: Final answer
    x = 30,379.78

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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.