Home / 35,286.72-52,930.32-11,913.36

Finding the Fourth Proportional to 35,286.72, 52,930.32 and 11,913.36

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Solution

The fourth proportional to 35,286.72, 52,930.32 and 11,913.36 is: 17,870.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,286.72 : 52,930.32 = 11,913.36 : x
  2. Step 2: Convert to fraction form
    35,286.72/52,930.32 = 11,913.36/x
  3. Step 3: Cross multiply
    35,286.72x = 52,930.32 × 11,913.36
  4. Step 4: Simplify right side
    35,286.72x = 630,577,957.08
  5. Step 5: Solve for x
    x = 630,577,957.08/35,286.72
  6. Step 6: Final answer
    x = 17,870.12

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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.