Home / 48,193.30-72,286.35-20,106.10

Finding the Fourth Proportional to 48,193.30, 72,286.35 and 20,106.10

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Solution

The fourth proportional to 48,193.30, 72,286.35 and 20,106.10 is: 30,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,193.30 : 72,286.35 = 20,106.10 : x
  2. Step 2: Convert to fraction form
    48,193.30/72,286.35 = 20,106.10/x
  3. Step 3: Cross multiply
    48,193.30x = 72,286.35 × 20,106.10
  4. Step 4: Simplify right side
    48,193.30x = 1,453,396,581.74
  5. Step 5: Solve for x
    x = 1,453,396,581.74/48,193.30
  6. Step 6: Final answer
    x = 30,157.65

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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.