Home / 31,245.48-43,119.90-17,814.56

Finding the Fourth Proportional to 31,245.48, 43,119.90 and 17,814.56

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Solution

The fourth proportional to 31,245.48, 43,119.90 and 17,814.56 is: 24,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,245.48 : 43,119.90 = 17,814.56 : x
  2. Step 2: Convert to fraction form
    31,245.48/43,119.90 = 17,814.56/x
  3. Step 3: Cross multiply
    31,245.48x = 43,119.90 × 17,814.56
  4. Step 4: Simplify right side
    31,245.48x = 768,162,045.74
  5. Step 5: Solve for x
    x = 768,162,045.74/31,245.48
  6. Step 6: Final answer
    x = 24,584.74

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.