Home / 31,805.24-47,666.64-13,064.06

Finding the Fourth Proportional to 31,805.24, 47,666.64 and 13,064.06

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Solution

The fourth proportional to 31,805.24, 47,666.64 and 13,064.06 is: 19,579.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,805.24 : 47,666.64 = 13,064.06 : x
  2. Step 2: Convert to fraction form
    31,805.24/47,666.64 = 13,064.06/x
  3. Step 3: Cross multiply
    31,805.24x = 47,666.64 × 13,064.06
  4. Step 4: Simplify right side
    31,805.24x = 622,719,844.96
  5. Step 5: Solve for x
    x = 622,719,844.96/31,805.24
  6. Step 6: Final answer
    x = 19,579.16

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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.