Home / 36,587.90-54,849.05-13,208.87

Finding the Fourth Proportional to 36,587.90, 54,849.05 and 13,208.87

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Solution

The fourth proportional to 36,587.90, 54,849.05 and 13,208.87 is: 19,801.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,587.90 : 54,849.05 = 13,208.87 : x
  2. Step 2: Convert to fraction form
    36,587.90/54,849.05 = 13,208.87/x
  3. Step 3: Cross multiply
    36,587.90x = 54,849.05 × 13,208.87
  4. Step 4: Simplify right side
    36,587.90x = 724,494,091.69
  5. Step 5: Solve for x
    x = 724,494,091.69/36,587.90
  6. Step 6: Final answer
    x = 19,801.47

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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.