Home / 31,926.64-47,896.44-11,164.72

Finding the Fourth Proportional to 31,926.64, 47,896.44 and 11,164.72

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Solution

The fourth proportional to 31,926.64, 47,896.44 and 11,164.72 is: 16,749.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,926.64 : 47,896.44 = 11,164.72 : x
  2. Step 2: Convert to fraction form
    31,926.64/47,896.44 = 11,164.72/x
  3. Step 3: Cross multiply
    31,926.64x = 47,896.44 × 11,164.72
  4. Step 4: Simplify right side
    31,926.64x = 534,750,341.60
  5. Step 5: Solve for x
    x = 534,750,341.60/31,926.64
  6. Step 6: Final answer
    x = 16,749.35

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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.