Home / 36,050.61-49,749.95-20,135.66

Finding the Fourth Proportional to 36,050.61, 49,749.95 and 20,135.66

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Solution

The fourth proportional to 36,050.61, 49,749.95 and 20,135.66 is: 27,787.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,050.61 : 49,749.95 = 20,135.66 : x
  2. Step 2: Convert to fraction form
    36,050.61/49,749.95 = 20,135.66/x
  3. Step 3: Cross multiply
    36,050.61x = 49,749.95 × 20,135.66
  4. Step 4: Simplify right side
    36,050.61x = 1,001,748,078.22
  5. Step 5: Solve for x
    x = 1,001,748,078.22/36,050.61
  6. Step 6: Final answer
    x = 27,787.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.