Home / 31,583.52-47,358.72-15,771.60

Finding the Fourth Proportional to 31,583.52, 47,358.72 and 15,771.60

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Solution

The fourth proportional to 31,583.52, 47,358.72 and 15,771.60 is: 23,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.52 : 47,358.72 = 15,771.60 : x
  2. Step 2: Convert to fraction form
    31,583.52/47,358.72 = 15,771.60/x
  3. Step 3: Cross multiply
    31,583.52x = 47,358.72 × 15,771.60
  4. Step 4: Simplify right side
    31,583.52x = 746,922,788.35
  5. Step 5: Solve for x
    x = 746,922,788.35/31,583.52
  6. Step 6: Final answer
    x = 23,649.13

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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.