Home / 50,876.43-70,209.47-28,218.89

Finding the Fourth Proportional to 50,876.43, 70,209.47 and 28,218.89

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Solution

The fourth proportional to 50,876.43, 70,209.47 and 28,218.89 is: 38,942.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,876.43 : 70,209.47 = 28,218.89 : x
  2. Step 2: Convert to fraction form
    50,876.43/70,209.47 = 28,218.89/x
  3. Step 3: Cross multiply
    50,876.43x = 70,209.47 × 28,218.89
  4. Step 4: Simplify right side
    50,876.43x = 1,981,232,818.75
  5. Step 5: Solve for x
    x = 1,981,232,818.75/50,876.43
  6. Step 6: Final answer
    x = 38,942.06

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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.