Home / 53,297.20-79,924.20-18,218.80

Finding the Fourth Proportional to 53,297.20, 79,924.20 and 18,218.80

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Solution

The fourth proportional to 53,297.20, 79,924.20 and 18,218.80 is: 27,320.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,297.20 : 79,924.20 = 18,218.80 : x
  2. Step 2: Convert to fraction form
    53,297.20/79,924.20 = 18,218.80/x
  3. Step 3: Cross multiply
    53,297.20x = 79,924.20 × 18,218.80
  4. Step 4: Simplify right side
    53,297.20x = 1,456,123,014.96
  5. Step 5: Solve for x
    x = 1,456,123,014.96/53,297.20
  6. Step 6: Final answer
    x = 27,320.82

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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.