Home / 49,503.11-74,291.57-19,921.21

Finding the Fourth Proportional to 49,503.11, 74,291.57 and 19,921.21

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Solution

The fourth proportional to 49,503.11, 74,291.57 and 19,921.21 is: 29,896.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,503.11 : 74,291.57 = 19,921.21 : x
  2. Step 2: Convert to fraction form
    49,503.11/74,291.57 = 19,921.21/x
  3. Step 3: Cross multiply
    49,503.11x = 74,291.57 × 19,921.21
  4. Step 4: Simplify right side
    49,503.11x = 1,479,977,967.20
  5. Step 5: Solve for x
    x = 1,479,977,967.20/49,503.11
  6. Step 6: Final answer
    x = 29,896.67

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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.