Home / 35,665.92-53,487.36-12,286.08

Finding the Fourth Proportional to 35,665.92, 53,487.36 and 12,286.08

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Solution

The fourth proportional to 35,665.92, 53,487.36 and 12,286.08 is: 18,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,665.92 : 53,487.36 = 12,286.08 : x
  2. Step 2: Convert to fraction form
    35,665.92/53,487.36 = 12,286.08/x
  3. Step 3: Cross multiply
    35,665.92x = 53,487.36 × 12,286.08
  4. Step 4: Simplify right side
    35,665.92x = 657,149,983.95
  5. Step 5: Solve for x
    x = 657,149,983.95/35,665.92
  6. Step 6: Final answer
    x = 18,425.15

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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.