Home / 50,814.80-76,230.32-21,217.40

Finding the Fourth Proportional to 50,814.80, 76,230.32 and 21,217.40

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Solution

The fourth proportional to 50,814.80, 76,230.32 and 21,217.40 is: 31,829.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,814.80 : 76,230.32 = 21,217.40 : x
  2. Step 2: Convert to fraction form
    50,814.80/76,230.32 = 21,217.40/x
  3. Step 3: Cross multiply
    50,814.80x = 76,230.32 × 21,217.40
  4. Step 4: Simplify right side
    50,814.80x = 1,617,409,191.57
  5. Step 5: Solve for x
    x = 1,617,409,191.57/50,814.80
  6. Step 6: Final answer
    x = 31,829.49

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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.