Home / 35,128.90-48,479.13-20,023.82

Finding the Fourth Proportional to 35,128.90, 48,479.13 and 20,023.82

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Solution

The fourth proportional to 35,128.90, 48,479.13 and 20,023.82 is: 27,633.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.90 : 48,479.13 = 20,023.82 : x
  2. Step 2: Convert to fraction form
    35,128.90/48,479.13 = 20,023.82/x
  3. Step 3: Cross multiply
    35,128.90x = 48,479.13 × 20,023.82
  4. Step 4: Simplify right side
    35,128.90x = 970,737,372.88
  5. Step 5: Solve for x
    x = 970,737,372.88/35,128.90
  6. Step 6: Final answer
    x = 27,633.58

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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.