Home / 34,273.60-51,420.24-14,279.20

Finding the Fourth Proportional to 34,273.60, 51,420.24 and 14,279.20

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Solution

The fourth proportional to 34,273.60, 51,420.24 and 14,279.20 is: 21,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,273.60 : 51,420.24 = 14,279.20 : x
  2. Step 2: Convert to fraction form
    34,273.60/51,420.24 = 14,279.20/x
  3. Step 3: Cross multiply
    34,273.60x = 51,420.24 × 14,279.20
  4. Step 4: Simplify right side
    34,273.60x = 734,239,891.01
  5. Step 5: Solve for x
    x = 734,239,891.01/34,273.60
  6. Step 6: Final answer
    x = 21,422.90

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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.