Home / 20,541.91-30,765.67-13,044.92

Finding the Fourth Proportional to 20,541.91, 30,765.67 and 13,044.92

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Solution

The fourth proportional to 20,541.91, 30,765.67 and 13,044.92 is: 19,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.91 : 30,765.67 = 13,044.92 : x
  2. Step 2: Convert to fraction form
    20,541.91/30,765.67 = 13,044.92/x
  3. Step 3: Cross multiply
    20,541.91x = 30,765.67 × 13,044.92
  4. Step 4: Simplify right side
    20,541.91x = 401,335,703.90
  5. Step 5: Solve for x
    x = 401,335,703.90/20,541.91
  6. Step 6: Final answer
    x = 19,537.41

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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.