Home / 36,573.12-54,859.20-8,871.36

Finding the Fourth Proportional to 36,573.12, 54,859.20 and 8,871.36

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Solution

The fourth proportional to 36,573.12, 54,859.20 and 8,871.36 is: 13,306.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,573.12 : 54,859.20 = 8,871.36 : x
  2. Step 2: Convert to fraction form
    36,573.12/54,859.20 = 8,871.36/x
  3. Step 3: Cross multiply
    36,573.12x = 54,859.20 × 8,871.36
  4. Step 4: Simplify right side
    36,573.12x = 486,675,712.51
  5. Step 5: Solve for x
    x = 486,675,712.51/36,573.12
  6. Step 6: Final answer
    x = 13,306.92

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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.