Home / 50,800.16-70,101.45-28,137.38

Finding the Fourth Proportional to 50,800.16, 70,101.45 and 28,137.38

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Solution

The fourth proportional to 50,800.16, 70,101.45 and 28,137.38 is: 38,828.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,800.16 : 70,101.45 = 28,137.38 : x
  2. Step 2: Convert to fraction form
    50,800.16/70,101.45 = 28,137.38/x
  3. Step 3: Cross multiply
    50,800.16x = 70,101.45 × 28,137.38
  4. Step 4: Simplify right side
    50,800.16x = 1,972,470,786.69
  5. Step 5: Solve for x
    x = 1,972,470,786.69/50,800.16
  6. Step 6: Final answer
    x = 38,828.04

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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.