Home / 50,881.88-70,220.58-28,223.04

Finding the Fourth Proportional to 50,881.88, 70,220.58 and 28,223.04

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Solution

The fourth proportional to 50,881.88, 70,220.58 and 28,223.04 is: 38,949.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,881.88 : 70,220.58 = 28,223.04 : x
  2. Step 2: Convert to fraction form
    50,881.88/70,220.58 = 28,223.04/x
  3. Step 3: Cross multiply
    50,881.88x = 70,220.58 × 28,223.04
  4. Step 4: Simplify right side
    50,881.88x = 1,981,838,238.16
  5. Step 5: Solve for x
    x = 1,981,838,238.16/50,881.88
  6. Step 6: Final answer
    x = 38,949.78

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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.