Home / 36,021.35-54,032.02-18,479.99

Finding the Fourth Proportional to 36,021.35, 54,032.02 and 18,479.99

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Solution

The fourth proportional to 36,021.35, 54,032.02 and 18,479.99 is: 27,719.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,021.35 : 54,032.02 = 18,479.99 : x
  2. Step 2: Convert to fraction form
    36,021.35/54,032.02 = 18,479.99/x
  3. Step 3: Cross multiply
    36,021.35x = 54,032.02 × 18,479.99
  4. Step 4: Simplify right side
    36,021.35x = 998,510,872.92
  5. Step 5: Solve for x
    x = 998,510,872.92/36,021.35
  6. Step 6: Final answer
    x = 27,719.98

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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.