Home / 50,215.86-75,348.36-20,228.85

Finding the Fourth Proportional to 50,215.86, 75,348.36 and 20,228.85

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Solution

The fourth proportional to 50,215.86, 75,348.36 and 20,228.85 is: 30,353.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,215.86 : 75,348.36 = 20,228.85 : x
  2. Step 2: Convert to fraction form
    50,215.86/75,348.36 = 20,228.85/x
  3. Step 3: Cross multiply
    50,215.86x = 75,348.36 × 20,228.85
  4. Step 4: Simplify right side
    50,215.86x = 1,524,210,672.19
  5. Step 5: Solve for x
    x = 1,524,210,672.19/50,215.86
  6. Step 6: Final answer
    x = 30,353.17

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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.