Home / 36,269.13-54,370.86-12,890.10

Finding the Fourth Proportional to 36,269.13, 54,370.86 and 12,890.10

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Solution

The fourth proportional to 36,269.13, 54,370.86 and 12,890.10 is: 19,323.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,269.13 : 54,370.86 = 12,890.10 : x
  2. Step 2: Convert to fraction form
    36,269.13/54,370.86 = 12,890.10/x
  3. Step 3: Cross multiply
    36,269.13x = 54,370.86 × 12,890.10
  4. Step 4: Simplify right side
    36,269.13x = 700,845,978.04
  5. Step 5: Solve for x
    x = 700,845,978.04/36,269.13
  6. Step 6: Final answer
    x = 19,323.48

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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.