Home / 38,636.22-57,962.61-11,981.63

Finding the Fourth Proportional to 38,636.22, 57,962.61 and 11,981.63

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Solution

The fourth proportional to 38,636.22, 57,962.61 and 11,981.63 is: 17,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,636.22 : 57,962.61 = 11,981.63 : x
  2. Step 2: Convert to fraction form
    38,636.22/57,962.61 = 11,981.63/x
  3. Step 3: Cross multiply
    38,636.22x = 57,962.61 × 11,981.63
  4. Step 4: Simplify right side
    38,636.22x = 694,486,257.04
  5. Step 5: Solve for x
    x = 694,486,257.04/38,636.22
  6. Step 6: Final answer
    x = 17,975.01

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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.