Home / 36,320.72-54,404.48-16,615.84

Finding the Fourth Proportional to 36,320.72, 54,404.48 and 16,615.84

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Solution

The fourth proportional to 36,320.72, 54,404.48 and 16,615.84 is: 24,888.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,320.72 : 54,404.48 = 16,615.84 : x
  2. Step 2: Convert to fraction form
    36,320.72/54,404.48 = 16,615.84/x
  3. Step 3: Cross multiply
    36,320.72x = 54,404.48 × 16,615.84
  4. Step 4: Simplify right side
    36,320.72x = 903,976,134.96
  5. Step 5: Solve for x
    x = 903,976,134.96/36,320.72
  6. Step 6: Final answer
    x = 24,888.72

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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.