Home / 34,454.20-51,632.10-19,631.80

Finding the Fourth Proportional to 34,454.20, 51,632.10 and 19,631.80

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Solution

The fourth proportional to 34,454.20, 51,632.10 and 19,631.80 is: 29,419.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,454.20 : 51,632.10 = 19,631.80 : x
  2. Step 2: Convert to fraction form
    34,454.20/51,632.10 = 19,631.80/x
  3. Step 3: Cross multiply
    34,454.20x = 51,632.10 × 19,631.80
  4. Step 4: Simplify right side
    34,454.20x = 1,013,631,060.78
  5. Step 5: Solve for x
    x = 1,013,631,060.78/34,454.20
  6. Step 6: Final answer
    x = 29,419.67

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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.