Home / 47,592.40-65,571.78-31,431.01

Finding the Fourth Proportional to 47,592.40, 65,571.78 and 31,431.01

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Solution

The fourth proportional to 47,592.40, 65,571.78 and 31,431.01 is: 43,304.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,592.40 : 65,571.78 = 31,431.01 : x
  2. Step 2: Convert to fraction form
    47,592.40/65,571.78 = 31,431.01/x
  3. Step 3: Cross multiply
    47,592.40x = 65,571.78 × 31,431.01
  4. Step 4: Simplify right side
    47,592.40x = 2,060,987,272.90
  5. Step 5: Solve for x
    x = 2,060,987,272.90/47,592.40
  6. Step 6: Final answer
    x = 43,304.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.