Home / 29,554.72-40,801.68-20,001.76

Finding the Fourth Proportional to 29,554.72, 40,801.68 and 20,001.76

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Solution

The fourth proportional to 29,554.72, 40,801.68 and 20,001.76 is: 27,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,554.72 : 40,801.68 = 20,001.76 : x
  2. Step 2: Convert to fraction form
    29,554.72/40,801.68 = 20,001.76/x
  3. Step 3: Cross multiply
    29,554.72x = 40,801.68 × 20,001.76
  4. Step 4: Simplify right side
    29,554.72x = 816,105,410.96
  5. Step 5: Solve for x
    x = 816,105,410.96/29,554.72
  6. Step 6: Final answer
    x = 27,613.37

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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.