Home / 34,184.20-51,276.30-20,129.80

Finding the Fourth Proportional to 34,184.20, 51,276.30 and 20,129.80

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Solution

The fourth proportional to 34,184.20, 51,276.30 and 20,129.80 is: 30,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,184.20 : 51,276.30 = 20,129.80 : x
  2. Step 2: Convert to fraction form
    34,184.20/51,276.30 = 20,129.80/x
  3. Step 3: Cross multiply
    34,184.20x = 51,276.30 × 20,129.80
  4. Step 4: Simplify right side
    34,184.20x = 1,032,181,663.74
  5. Step 5: Solve for x
    x = 1,032,181,663.74/34,184.20
  6. Step 6: Final answer
    x = 30,194.70

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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.