Home / 50,456.71-75,685.06-20,841.99

Finding the Fourth Proportional to 50,456.71, 75,685.06 and 20,841.99

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Solution

The fourth proportional to 50,456.71, 75,685.06 and 20,841.99 is: 31,262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,456.71 : 75,685.06 = 20,841.99 : x
  2. Step 2: Convert to fraction form
    50,456.71/75,685.06 = 20,841.99/x
  3. Step 3: Cross multiply
    50,456.71x = 75,685.06 × 20,841.99
  4. Step 4: Simplify right side
    50,456.71x = 1,577,427,211.56
  5. Step 5: Solve for x
    x = 1,577,427,211.56/50,456.71
  6. Step 6: Final answer
    x = 31,262.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.