Home / 50,867.76-76,311.84-17,589.12

Finding the Fourth Proportional to 50,867.76, 76,311.84 and 17,589.12

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Solution

The fourth proportional to 50,867.76, 76,311.84 and 17,589.12 is: 26,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,867.76 : 76,311.84 = 17,589.12 : x
  2. Step 2: Convert to fraction form
    50,867.76/76,311.84 = 17,589.12/x
  3. Step 3: Cross multiply
    50,867.76x = 76,311.84 × 17,589.12
  4. Step 4: Simplify right side
    50,867.76x = 1,342,258,111.18
  5. Step 5: Solve for x
    x = 1,342,258,111.18/50,867.76
  6. Step 6: Final answer
    x = 26,387.21

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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.