Home / 31,817.48-47,736.60-15,175.35

Finding the Fourth Proportional to 31,817.48, 47,736.60 and 15,175.35

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Solution

The fourth proportional to 31,817.48, 47,736.60 and 15,175.35 is: 22,767.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,817.48 : 47,736.60 = 15,175.35 : x
  2. Step 2: Convert to fraction form
    31,817.48/47,736.60 = 15,175.35/x
  3. Step 3: Cross multiply
    31,817.48x = 47,736.60 × 15,175.35
  4. Step 4: Simplify right side
    31,817.48x = 724,419,612.81
  5. Step 5: Solve for x
    x = 724,419,612.81/31,817.48
  6. Step 6: Final answer
    x = 22,767.98

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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.