Home / 36,078.69-54,132.40-13,886.11

Finding the Fourth Proportional to 36,078.69, 54,132.40 and 13,886.11

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Solution

The fourth proportional to 36,078.69, 54,132.40 and 13,886.11 is: 20,834.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,078.69 : 54,132.40 = 13,886.11 : x
  2. Step 2: Convert to fraction form
    36,078.69/54,132.40 = 13,886.11/x
  3. Step 3: Cross multiply
    36,078.69x = 54,132.40 × 13,886.11
  4. Step 4: Simplify right side
    36,078.69x = 751,688,290.92
  5. Step 5: Solve for x
    x = 751,688,290.92/36,078.69
  6. Step 6: Final answer
    x = 20,834.69

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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.