Home / 31,583.32-47,361.20-16,788.68

Finding the Fourth Proportional to 31,583.32, 47,361.20 and 16,788.68

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Solution

The fourth proportional to 31,583.32, 47,361.20 and 16,788.68 is: 25,175.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.32 : 47,361.20 = 16,788.68 : x
  2. Step 2: Convert to fraction form
    31,583.32/47,361.20 = 16,788.68/x
  3. Step 3: Cross multiply
    31,583.32x = 47,361.20 × 16,788.68
  4. Step 4: Simplify right side
    31,583.32x = 795,132,031.22
  5. Step 5: Solve for x
    x = 795,132,031.22/31,583.32
  6. Step 6: Final answer
    x = 25,175.69

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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.