Home / 64,979.12-97,480.83-20,593.95

Finding the Fourth Proportional to 64,979.12, 97,480.83 and 20,593.95

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Solution

The fourth proportional to 64,979.12, 97,480.83 and 20,593.95 is: 30,894.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,979.12 : 97,480.83 = 20,593.95 : x
  2. Step 2: Convert to fraction form
    64,979.12/97,480.83 = 20,593.95/x
  3. Step 3: Cross multiply
    64,979.12x = 97,480.83 × 20,593.95
  4. Step 4: Simplify right side
    64,979.12x = 2,007,515,338.98
  5. Step 5: Solve for x
    x = 2,007,515,338.98/64,979.12
  6. Step 6: Final answer
    x = 30,894.78

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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.