Home / 49,717.08-68,611.20-28,500.36

Finding the Fourth Proportional to 49,717.08, 68,611.20 and 28,500.36

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Solution

The fourth proportional to 49,717.08, 68,611.20 and 28,500.36 is: 39,331.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,717.08 : 68,611.20 = 28,500.36 : x
  2. Step 2: Convert to fraction form
    49,717.08/68,611.20 = 28,500.36/x
  3. Step 3: Cross multiply
    49,717.08x = 68,611.20 × 28,500.36
  4. Step 4: Simplify right side
    49,717.08x = 1,955,443,900.03
  5. Step 5: Solve for x
    x = 1,955,443,900.03/49,717.08
  6. Step 6: Final answer
    x = 39,331.43

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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.