Home / 36,650.74-54,981.52-13,271.72

Finding the Fourth Proportional to 36,650.74, 54,981.52 and 13,271.72

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Solution

The fourth proportional to 36,650.74, 54,981.52 and 13,271.72 is: 19,909.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,650.74 : 54,981.52 = 13,271.72 : x
  2. Step 2: Convert to fraction form
    36,650.74/54,981.52 = 13,271.72/x
  3. Step 3: Cross multiply
    36,650.74x = 54,981.52 × 13,271.72
  4. Step 4: Simplify right side
    36,650.74x = 729,699,338.61
  5. Step 5: Solve for x
    x = 729,699,338.61/36,650.74
  6. Step 6: Final answer
    x = 19,909.54

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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.