Home / 50,116.56-75,109.23-20,499.72

Finding the Fourth Proportional to 50,116.56, 75,109.23 and 20,499.72

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Solution

The fourth proportional to 50,116.56, 75,109.23 and 20,499.72 is: 30,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,116.56 : 75,109.23 = 20,499.72 : x
  2. Step 2: Convert to fraction form
    50,116.56/75,109.23 = 20,499.72/x
  3. Step 3: Cross multiply
    50,116.56x = 75,109.23 × 20,499.72
  4. Step 4: Simplify right side
    50,116.56x = 1,539,718,184.42
  5. Step 5: Solve for x
    x = 1,539,718,184.42/50,116.56
  6. Step 6: Final answer
    x = 30,722.74

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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.