Home / 35,986.72-53,979.99-9,691.49

Finding the Fourth Proportional to 35,986.72, 53,979.99 and 9,691.49

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Solution

The fourth proportional to 35,986.72, 53,979.99 and 9,691.49 is: 14,537.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,986.72 : 53,979.99 = 9,691.49 : x
  2. Step 2: Convert to fraction form
    35,986.72/53,979.99 = 9,691.49/x
  3. Step 3: Cross multiply
    35,986.72x = 53,979.99 × 9,691.49
  4. Step 4: Simplify right side
    35,986.72x = 523,146,533.29
  5. Step 5: Solve for x
    x = 523,146,533.29/35,986.72
  6. Step 6: Final answer
    x = 14,537.21

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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.