Home / 50,900.85-70,243.74-28,240.38

Finding the Fourth Proportional to 50,900.85, 70,243.74 and 28,240.38

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Solution

The fourth proportional to 50,900.85, 70,243.74 and 28,240.38 is: 38,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,900.85 : 70,243.74 = 28,240.38 : x
  2. Step 2: Convert to fraction form
    50,900.85/70,243.74 = 28,240.38/x
  3. Step 3: Cross multiply
    50,900.85x = 70,243.74 × 28,240.38
  4. Step 4: Simplify right side
    50,900.85x = 1,983,709,910.22
  5. Step 5: Solve for x
    x = 1,983,709,910.22/50,900.85
  6. Step 6: Final answer
    x = 38,972.04

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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.