Home / 63,021.15-94,551.77-18,648.12

Finding the Fourth Proportional to 63,021.15, 94,551.77 and 18,648.12

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Solution

The fourth proportional to 63,021.15, 94,551.77 and 18,648.12 is: 27,978.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,021.15 : 94,551.77 = 18,648.12 : x
  2. Step 2: Convert to fraction form
    63,021.15/94,551.77 = 18,648.12/x
  3. Step 3: Cross multiply
    63,021.15x = 94,551.77 × 18,648.12
  4. Step 4: Simplify right side
    63,021.15x = 1,763,212,659.93
  5. Step 5: Solve for x
    x = 1,763,212,659.93/63,021.15
  6. Step 6: Final answer
    x = 27,978.11

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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.