Home / 35,930.58-53,921.38-12,557.22

Finding the Fourth Proportional to 35,930.58, 53,921.38 and 12,557.22

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Solution

The fourth proportional to 35,930.58, 53,921.38 and 12,557.22 is: 18,844.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,930.58 : 53,921.38 = 12,557.22 : x
  2. Step 2: Convert to fraction form
    35,930.58/53,921.38 = 12,557.22/x
  3. Step 3: Cross multiply
    35,930.58x = 53,921.38 × 12,557.22
  4. Step 4: Simplify right side
    35,930.58x = 677,102,631.36
  5. Step 5: Solve for x
    x = 677,102,631.36/35,930.58
  6. Step 6: Final answer
    x = 18,844.75

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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.