Home / 20,179.26-30,259.35-7,029.99

Finding the Fourth Proportional to 20,179.26, 30,259.35 and 7,029.99

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Solution

The fourth proportional to 20,179.26, 30,259.35 and 7,029.99 is: 10,541.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.26 : 30,259.35 = 7,029.99 : x
  2. Step 2: Convert to fraction form
    20,179.26/30,259.35 = 7,029.99/x
  3. Step 3: Cross multiply
    20,179.26x = 30,259.35 × 7,029.99
  4. Step 4: Simplify right side
    20,179.26x = 212,722,927.91
  5. Step 5: Solve for x
    x = 212,722,927.91/20,179.26
  6. Step 6: Final answer
    x = 10,541.66

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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.