Home / 50,803.11-70,107.42-28,141.63

Finding the Fourth Proportional to 50,803.11, 70,107.42 and 28,141.63

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Solution

The fourth proportional to 50,803.11, 70,107.42 and 28,141.63 is: 38,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,803.11 : 70,107.42 = 28,141.63 : x
  2. Step 2: Convert to fraction form
    50,803.11/70,107.42 = 28,141.63/x
  3. Step 3: Cross multiply
    50,803.11x = 70,107.42 × 28,141.63
  4. Step 4: Simplify right side
    50,803.11x = 1,972,936,766.71
  5. Step 5: Solve for x
    x = 1,972,936,766.71/50,803.11
  6. Step 6: Final answer
    x = 38,834.96

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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.