Home / 55,255.42-82,881.24-15,812.56

Finding the Fourth Proportional to 55,255.42, 82,881.24 and 15,812.56

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Solution

The fourth proportional to 55,255.42, 82,881.24 and 15,812.56 is: 23,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,255.42 : 82,881.24 = 15,812.56 : x
  2. Step 2: Convert to fraction form
    55,255.42/82,881.24 = 15,812.56/x
  3. Step 3: Cross multiply
    55,255.42x = 82,881.24 × 15,812.56
  4. Step 4: Simplify right side
    55,255.42x = 1,310,564,580.37
  5. Step 5: Solve for x
    x = 1,310,564,580.37/55,255.42
  6. Step 6: Final answer
    x = 23,718.30

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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.