Home / 31,922.21-47,867.29-18,599.51

Finding the Fourth Proportional to 31,922.21, 47,867.29 and 18,599.51

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Solution

The fourth proportional to 31,922.21, 47,867.29 and 18,599.51 is: 27,889.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,922.21 : 47,867.29 = 18,599.51 : x
  2. Step 2: Convert to fraction form
    31,922.21/47,867.29 = 18,599.51/x
  3. Step 3: Cross multiply
    31,922.21x = 47,867.29 × 18,599.51
  4. Step 4: Simplify right side
    31,922.21x = 890,307,853.19
  5. Step 5: Solve for x
    x = 890,307,853.19/31,922.21
  6. Step 6: Final answer
    x = 27,889.92

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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.