Home / 50,981.43-70,354.91-28,321.83

Finding the Fourth Proportional to 50,981.43, 70,354.91 and 28,321.83

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Solution

The fourth proportional to 50,981.43, 70,354.91 and 28,321.83 is: 39,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,981.43 : 70,354.91 = 28,321.83 : x
  2. Step 2: Convert to fraction form
    50,981.43/70,354.91 = 28,321.83/x
  3. Step 3: Cross multiply
    50,981.43x = 70,354.91 × 28,321.83
  4. Step 4: Simplify right side
    50,981.43x = 1,992,579,800.69
  5. Step 5: Solve for x
    x = 1,992,579,800.69/50,981.43
  6. Step 6: Final answer
    x = 39,084.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.