Home / 47,588.48-71,377.05-12,530.87

Finding the Fourth Proportional to 47,588.48, 71,377.05 and 12,530.87

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Solution

The fourth proportional to 47,588.48, 71,377.05 and 12,530.87 is: 18,794.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,588.48 : 71,377.05 = 12,530.87 : x
  2. Step 2: Convert to fraction form
    47,588.48/71,377.05 = 12,530.87/x
  3. Step 3: Cross multiply
    47,588.48x = 71,377.05 × 12,530.87
  4. Step 4: Simplify right side
    47,588.48x = 894,416,534.53
  5. Step 5: Solve for x
    x = 894,416,534.53/47,588.48
  6. Step 6: Final answer
    x = 18,794.81

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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.