Home / 50,931.45-76,420.26-21,355.92

Finding the Fourth Proportional to 50,931.45, 76,420.26 and 21,355.92

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Solution

The fourth proportional to 50,931.45, 76,420.26 and 21,355.92 is: 32,043.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,931.45 : 76,420.26 = 21,355.92 : x
  2. Step 2: Convert to fraction form
    50,931.45/76,420.26 = 21,355.92/x
  3. Step 3: Cross multiply
    50,931.45x = 76,420.26 × 21,355.92
  4. Step 4: Simplify right side
    50,931.45x = 1,632,024,958.94
  5. Step 5: Solve for x
    x = 1,632,024,958.94/50,931.45
  6. Step 6: Final answer
    x = 32,043.56

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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.