Home / 34,266.52-47,287.02-20,120.68

Finding the Fourth Proportional to 34,266.52, 47,287.02 and 20,120.68

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Solution

The fourth proportional to 34,266.52, 47,287.02 and 20,120.68 is: 27,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,266.52 : 47,287.02 = 20,120.68 : x
  2. Step 2: Convert to fraction form
    34,266.52/47,287.02 = 20,120.68/x
  3. Step 3: Cross multiply
    34,266.52x = 47,287.02 × 20,120.68
  4. Step 4: Simplify right side
    34,266.52x = 951,446,997.57
  5. Step 5: Solve for x
    x = 951,446,997.57/34,266.52
  6. Step 6: Final answer
    x = 27,766.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.