Home / 50,789.41-70,084.05-28,127.80

Finding the Fourth Proportional to 50,789.41, 70,084.05 and 28,127.80

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Solution

The fourth proportional to 50,789.41, 70,084.05 and 28,127.80 is: 38,813.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,789.41 : 70,084.05 = 28,127.80 : x
  2. Step 2: Convert to fraction form
    50,789.41/70,084.05 = 28,127.80/x
  3. Step 3: Cross multiply
    50,789.41x = 70,084.05 × 28,127.80
  4. Step 4: Simplify right side
    50,789.41x = 1,971,310,123.72
  5. Step 5: Solve for x
    x = 1,971,310,123.72/50,789.41
  6. Step 6: Final answer
    x = 38,813.41

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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.