Home / 33,306.11-45,942.32-21,971.58

Finding the Fourth Proportional to 33,306.11, 45,942.32 and 21,971.58

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Solution

The fourth proportional to 33,306.11, 45,942.32 and 21,971.58 is: 30,307.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,306.11 : 45,942.32 = 21,971.58 : x
  2. Step 2: Convert to fraction form
    33,306.11/45,942.32 = 21,971.58/x
  3. Step 3: Cross multiply
    33,306.11x = 45,942.32 × 21,971.58
  4. Step 4: Simplify right side
    33,306.11x = 1,009,425,359.27
  5. Step 5: Solve for x
    x = 1,009,425,359.27/33,306.11
  6. Step 6: Final answer
    x = 30,307.51

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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.