Home / 36,885.58-55,383.72-21,108.42

Finding the Fourth Proportional to 36,885.58, 55,383.72 and 21,108.42

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Solution

The fourth proportional to 36,885.58, 55,383.72 and 21,108.42 is: 31,694.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,885.58 : 55,383.72 = 21,108.42 : x
  2. Step 2: Convert to fraction form
    36,885.58/55,383.72 = 21,108.42/x
  3. Step 3: Cross multiply
    36,885.58x = 55,383.72 × 21,108.42
  4. Step 4: Simplify right side
    36,885.58x = 1,169,062,899.53
  5. Step 5: Solve for x
    x = 1,169,062,899.53/36,885.58
  6. Step 6: Final answer
    x = 31,694.31

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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.