Home / 50,312.96-75,404.32-20,697.28

Finding the Fourth Proportional to 50,312.96, 75,404.32 and 20,697.28

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Solution

The fourth proportional to 50,312.96, 75,404.32 and 20,697.28 is: 31,019.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,312.96 : 75,404.32 = 20,697.28 : x
  2. Step 2: Convert to fraction form
    50,312.96/75,404.32 = 20,697.28/x
  3. Step 3: Cross multiply
    50,312.96x = 75,404.32 × 20,697.28
  4. Step 4: Simplify right side
    50,312.96x = 1,560,664,324.25
  5. Step 5: Solve for x
    x = 1,560,664,324.25/50,312.96
  6. Step 6: Final answer
    x = 31,019.13

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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.