Home / 63,020.72-94,549.62-18,648.66

Finding the Fourth Proportional to 63,020.72, 94,549.62 and 18,648.66

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Solution

The fourth proportional to 63,020.72, 94,549.62 and 18,648.66 is: 27,978.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,020.72 : 94,549.62 = 18,648.66 : x
  2. Step 2: Convert to fraction form
    63,020.72/94,549.62 = 18,648.66/x
  3. Step 3: Cross multiply
    63,020.72x = 94,549.62 × 18,648.66
  4. Step 4: Simplify right side
    63,020.72x = 1,763,223,716.51
  5. Step 5: Solve for x
    x = 1,763,223,716.51/63,020.72
  6. Step 6: Final answer
    x = 27,978.48

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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.