Home / 49,635.18-68,500.49-28,421.28

Finding the Fourth Proportional to 49,635.18, 68,500.49 and 28,421.28

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Solution

The fourth proportional to 49,635.18, 68,500.49 and 28,421.28 is: 39,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,635.18 : 68,500.49 = 28,421.28 : x
  2. Step 2: Convert to fraction form
    49,635.18/68,500.49 = 28,421.28/x
  3. Step 3: Cross multiply
    49,635.18x = 68,500.49 × 28,421.28
  4. Step 4: Simplify right side
    49,635.18x = 1,946,871,464.32
  5. Step 5: Solve for x
    x = 1,946,871,464.32/49,635.18
  6. Step 6: Final answer
    x = 39,223.62

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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.