Home / 41,216.90-61,788.87-20,145.15

Finding the Fourth Proportional to 41,216.90, 61,788.87 and 20,145.15

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Solution

The fourth proportional to 41,216.90, 61,788.87 and 20,145.15 is: 30,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,216.90 : 61,788.87 = 20,145.15 : x
  2. Step 2: Convert to fraction form
    41,216.90/61,788.87 = 20,145.15/x
  3. Step 3: Cross multiply
    41,216.90x = 61,788.87 × 20,145.15
  4. Step 4: Simplify right side
    41,216.90x = 1,244,746,054.48
  5. Step 5: Solve for x
    x = 1,244,746,054.48/41,216.90
  6. Step 6: Final answer
    x = 30,199.90

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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.