Home / 20,695.02-31,044.33-9,009.42

Finding the Fourth Proportional to 20,695.02, 31,044.33 and 9,009.42

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Solution

The fourth proportional to 20,695.02, 31,044.33 and 9,009.42 is: 13,514.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,695.02 : 31,044.33 = 9,009.42 : x
  2. Step 2: Convert to fraction form
    20,695.02/31,044.33 = 9,009.42/x
  3. Step 3: Cross multiply
    20,695.02x = 31,044.33 × 9,009.42
  4. Step 4: Simplify right side
    20,695.02x = 279,691,407.59
  5. Step 5: Solve for x
    x = 279,691,407.59/20,695.02
  6. Step 6: Final answer
    x = 13,514.91

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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.