Home / 31,822.74-47,657.43-18,635.94

Finding the Fourth Proportional to 31,822.74, 47,657.43 and 18,635.94

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Solution

The fourth proportional to 31,822.74, 47,657.43 and 18,635.94 is: 27,909.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,822.74 : 47,657.43 = 18,635.94 : x
  2. Step 2: Convert to fraction form
    31,822.74/47,657.43 = 18,635.94/x
  3. Step 3: Cross multiply
    31,822.74x = 47,657.43 × 18,635.94
  4. Step 4: Simplify right side
    31,822.74x = 888,141,006.03
  5. Step 5: Solve for x
    x = 888,141,006.03/31,822.74
  6. Step 6: Final answer
    x = 27,909.00

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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.