Home / 36,349.06-54,518.79-12,651.52

Finding the Fourth Proportional to 36,349.06, 54,518.79 and 12,651.52

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Solution

The fourth proportional to 36,349.06, 54,518.79 and 12,651.52 is: 18,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,349.06 : 54,518.79 = 12,651.52 : x
  2. Step 2: Convert to fraction form
    36,349.06/54,518.79 = 12,651.52/x
  3. Step 3: Cross multiply
    36,349.06x = 54,518.79 × 12,651.52
  4. Step 4: Simplify right side
    36,349.06x = 689,745,562.06
  5. Step 5: Solve for x
    x = 689,745,562.06/36,349.06
  6. Step 6: Final answer
    x = 18,975.61

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1.5x scale

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.