Home / 36,117.74-54,163.13-12,418.58

Finding the Fourth Proportional to 36,117.74, 54,163.13 and 12,418.58

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Solution

The fourth proportional to 36,117.74, 54,163.13 and 12,418.58 is: 18,623.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,117.74 : 54,163.13 = 12,418.58 : x
  2. Step 2: Convert to fraction form
    36,117.74/54,163.13 = 12,418.58/x
  3. Step 3: Cross multiply
    36,117.74x = 54,163.13 × 12,418.58
  4. Step 4: Simplify right side
    36,117.74x = 672,628,830.05
  5. Step 5: Solve for x
    x = 672,628,830.05/36,117.74
  6. Step 6: Final answer
    x = 18,623.23

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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.