Home / 50,045.85-75,003.17-20,429.77

Finding the Fourth Proportional to 50,045.85, 75,003.17 and 20,429.77

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Solution

The fourth proportional to 50,045.85, 75,003.17 and 20,429.77 is: 30,617.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,045.85 : 75,003.17 = 20,429.77 : x
  2. Step 2: Convert to fraction form
    50,045.85/75,003.17 = 20,429.77/x
  3. Step 3: Cross multiply
    50,045.85x = 75,003.17 × 20,429.77
  4. Step 4: Simplify right side
    50,045.85x = 1,532,297,363.35
  5. Step 5: Solve for x
    x = 1,532,297,363.35/50,045.85
  6. Step 6: Final answer
    x = 30,617.87

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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.