Home / 50,881.54-70,220.09-28,222.69

Finding the Fourth Proportional to 50,881.54, 70,220.09 and 28,222.69

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Solution

The fourth proportional to 50,881.54, 70,220.09 and 28,222.69 is: 38,949.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,881.54 : 70,220.09 = 28,222.69 : x
  2. Step 2: Convert to fraction form
    50,881.54/70,220.09 = 28,222.69/x
  3. Step 3: Cross multiply
    50,881.54x = 70,220.09 × 28,222.69
  4. Step 4: Simplify right side
    50,881.54x = 1,981,799,339.63
  5. Step 5: Solve for x
    x = 1,981,799,339.63/50,881.54
  6. Step 6: Final answer
    x = 38,949.28

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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.