Home / 64,747.08-97,120.49-20,377.71

Finding the Fourth Proportional to 64,747.08, 97,120.49 and 20,377.71

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Solution

The fourth proportional to 64,747.08, 97,120.49 and 20,377.71 is: 30,566.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,747.08 : 97,120.49 = 20,377.71 : x
  2. Step 2: Convert to fraction form
    64,747.08/97,120.49 = 20,377.71/x
  3. Step 3: Cross multiply
    64,747.08x = 97,120.49 × 20,377.71
  4. Step 4: Simplify right side
    64,747.08x = 1,979,093,372.13
  5. Step 5: Solve for x
    x = 1,979,093,372.13/64,747.08
  6. Step 6: Final answer
    x = 30,566.53

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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.