Home / 35,263.20-48,662.40-20,164.80

Finding the Fourth Proportional to 35,263.20, 48,662.40 and 20,164.80

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Solution

The fourth proportional to 35,263.20, 48,662.40 and 20,164.80 is: 27,826.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,263.20 : 48,662.40 = 20,164.80 : x
  2. Step 2: Convert to fraction form
    35,263.20/48,662.40 = 20,164.80/x
  3. Step 3: Cross multiply
    35,263.20x = 48,662.40 × 20,164.80
  4. Step 4: Simplify right side
    35,263.20x = 981,267,563.52
  5. Step 5: Solve for x
    x = 981,267,563.52/35,263.20
  6. Step 6: Final answer
    x = 27,826.96

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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.