Home / 31,396.32-47,094.48-13,884

Finding the Fourth Proportional to 31,396.32, 47,094.48 and 13,884

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Solution

The fourth proportional to 31,396.32, 47,094.48 and 13,884 is: 20,826.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,396.32 : 47,094.48 = 13,884 : x
  2. Step 2: Convert to fraction form
    31,396.32/47,094.48 = 13,884/x
  3. Step 3: Cross multiply
    31,396.32x = 47,094.48 × 13,884
  4. Step 4: Simplify right side
    31,396.32x = 653,859,760.32
  5. Step 5: Solve for x
    x = 653,859,760.32/31,396.32
  6. Step 6: Final answer
    x = 20,826.00

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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.