Home / 36,920.61-55,374.98-13,223.77

Finding the Fourth Proportional to 36,920.61, 55,374.98 and 13,223.77

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Solution

The fourth proportional to 36,920.61, 55,374.98 and 13,223.77 is: 19,833.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,920.61 : 55,374.98 = 13,223.77 : x
  2. Step 2: Convert to fraction form
    36,920.61/55,374.98 = 13,223.77/x
  3. Step 3: Cross multiply
    36,920.61x = 55,374.98 × 13,223.77
  4. Step 4: Simplify right side
    36,920.61x = 732,265,794.72
  5. Step 5: Solve for x
    x = 732,265,794.72/36,920.61
  6. Step 6: Final answer
    x = 19,833.52

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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.