Home / 64,813.20-97,219.79-20,443.41

Finding the Fourth Proportional to 64,813.20, 97,219.79 and 20,443.41

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Solution

The fourth proportional to 64,813.20, 97,219.79 and 20,443.41 is: 30,665.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,813.20 : 97,219.79 = 20,443.41 : x
  2. Step 2: Convert to fraction form
    64,813.20/97,219.79 = 20,443.41/x
  3. Step 3: Cross multiply
    64,813.20x = 97,219.79 × 20,443.41
  4. Step 4: Simplify right side
    64,813.20x = 1,987,503,843.09
  5. Step 5: Solve for x
    x = 1,987,503,843.09/64,813.20
  6. Step 6: Final answer
    x = 30,665.11

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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.