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Finding the Fourth Proportional to 50,050.71, 75,079.71 and 20,469.11

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Solution

The fourth proportional to 50,050.71, 75,079.71 and 20,469.11 is: 30,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,050.71 : 75,079.71 = 20,469.11 : x
  2. Step 2: Convert to fraction form
    50,050.71/75,079.71 = 20,469.11/x
  3. Step 3: Cross multiply
    50,050.71x = 75,079.71 × 20,469.11
  4. Step 4: Simplify right side
    50,050.71x = 1,536,814,467.36
  5. Step 5: Solve for x
    x = 1,536,814,467.36/50,050.71
  6. Step 6: Final answer
    x = 30,705.15

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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.