Home / 31,476.48-47,244-15,905.04

Finding the Fourth Proportional to 31,476.48, 47,244 and 15,905.04

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Solution

The fourth proportional to 31,476.48, 47,244 and 15,905.04 is: 23,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,476.48 : 47,244 = 15,905.04 : x
  2. Step 2: Convert to fraction form
    31,476.48/47,244 = 15,905.04/x
  3. Step 3: Cross multiply
    31,476.48x = 47,244 × 15,905.04
  4. Step 4: Simplify right side
    31,476.48x = 751,417,709.76
  5. Step 5: Solve for x
    x = 751,417,709.76/31,476.48
  6. Step 6: Final answer
    x = 23,872.36

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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.