Home / 30,472.62-45,714.64-13,833.82

Finding the Fourth Proportional to 30,472.62, 45,714.64 and 13,833.82

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Solution

The fourth proportional to 30,472.62, 45,714.64 and 13,833.82 is: 20,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,472.62 : 45,714.64 = 13,833.82 : x
  2. Step 2: Convert to fraction form
    30,472.62/45,714.64 = 13,833.82/x
  3. Step 3: Cross multiply
    30,472.62x = 45,714.64 × 13,833.82
  4. Step 4: Simplify right side
    30,472.62x = 632,408,101.12
  5. Step 5: Solve for x
    x = 632,408,101.12/30,472.62
  6. Step 6: Final answer
    x = 20,753.32

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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.