Home / 35,930.82-53,920.86-12,557.28

Finding the Fourth Proportional to 35,930.82, 53,920.86 and 12,557.28

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Solution

The fourth proportional to 35,930.82, 53,920.86 and 12,557.28 is: 18,844.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,930.82 : 53,920.86 = 12,557.28 : x
  2. Step 2: Convert to fraction form
    35,930.82/53,920.86 = 12,557.28/x
  3. Step 3: Cross multiply
    35,930.82x = 53,920.86 × 12,557.28
  4. Step 4: Simplify right side
    35,930.82x = 677,099,336.86
  5. Step 5: Solve for x
    x = 677,099,336.86/35,930.82
  6. Step 6: Final answer
    x = 18,844.53

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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.