Home / 49,635.18-74,455.20-20,049.30

Finding the Fourth Proportional to 49,635.18, 74,455.20 and 20,049.30

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Solution

The fourth proportional to 49,635.18, 74,455.20 and 20,049.30 is: 30,074.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,635.18 : 74,455.20 = 20,049.30 : x
  2. Step 2: Convert to fraction form
    49,635.18/74,455.20 = 20,049.30/x
  3. Step 3: Cross multiply
    49,635.18x = 74,455.20 × 20,049.30
  4. Step 4: Simplify right side
    49,635.18x = 1,492,774,641.36
  5. Step 5: Solve for x
    x = 1,492,774,641.36/49,635.18
  6. Step 6: Final answer
    x = 30,074.93

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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.