Home / 31,536.77-47,319.12-16,742.12

Finding the Fourth Proportional to 31,536.77, 47,319.12 and 16,742.12

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Solution

The fourth proportional to 31,536.77, 47,319.12 and 16,742.12 is: 25,120.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536.77 : 47,319.12 = 16,742.12 : x
  2. Step 2: Convert to fraction form
    31,536.77/47,319.12 = 16,742.12/x
  3. Step 3: Cross multiply
    31,536.77x = 47,319.12 × 16,742.12
  4. Step 4: Simplify right side
    31,536.77x = 792,222,148.74
  5. Step 5: Solve for x
    x = 792,222,148.74/31,536.77
  6. Step 6: Final answer
    x = 25,120.59

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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.