Home / 36,310.30-54,484.80-14,124.40

Finding the Fourth Proportional to 36,310.30, 54,484.80 and 14,124.40

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Solution

The fourth proportional to 36,310.30, 54,484.80 and 14,124.40 is: 21,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,310.30 : 54,484.80 = 14,124.40 : x
  2. Step 2: Convert to fraction form
    36,310.30/54,484.80 = 14,124.40/x
  3. Step 3: Cross multiply
    36,310.30x = 54,484.80 × 14,124.40
  4. Step 4: Simplify right side
    36,310.30x = 769,565,109.12
  5. Step 5: Solve for x
    x = 769,565,109.12/36,310.30
  6. Step 6: Final answer
    x = 21,194.13

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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.