Home / 34,129.20-51,193.80-13,352.70

Finding the Fourth Proportional to 34,129.20, 51,193.80 and 13,352.70

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Solution

The fourth proportional to 34,129.20, 51,193.80 and 13,352.70 is: 20,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,129.20 : 51,193.80 = 13,352.70 : x
  2. Step 2: Convert to fraction form
    34,129.20/51,193.80 = 13,352.70/x
  3. Step 3: Cross multiply
    34,129.20x = 51,193.80 × 13,352.70
  4. Step 4: Simplify right side
    34,129.20x = 683,575,453.26
  5. Step 5: Solve for x
    x = 683,575,453.26/34,129.20
  6. Step 6: Final answer
    x = 20,029.05

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1.5x scale

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.