Home / 36,623.20-54,944-16,915.72

Finding the Fourth Proportional to 36,623.20, 54,944 and 16,915.72

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Solution

The fourth proportional to 36,623.20, 54,944 and 16,915.72 is: 25,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,623.20 : 54,944 = 16,915.72 : x
  2. Step 2: Convert to fraction form
    36,623.20/54,944 = 16,915.72/x
  3. Step 3: Cross multiply
    36,623.20x = 54,944 × 16,915.72
  4. Step 4: Simplify right side
    36,623.20x = 929,417,319.68
  5. Step 5: Solve for x
    x = 929,417,319.68/36,623.20
  6. Step 6: Final answer
    x = 25,377.83

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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.