Home / 55,311.48-82,981.44-15,871.32

Finding the Fourth Proportional to 55,311.48, 82,981.44 and 15,871.32

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Solution

The fourth proportional to 55,311.48, 82,981.44 and 15,871.32 is: 23,811.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,311.48 : 82,981.44 = 15,871.32 : x
  2. Step 2: Convert to fraction form
    55,311.48/82,981.44 = 15,871.32/x
  3. Step 3: Cross multiply
    55,311.48x = 82,981.44 × 15,871.32
  4. Step 4: Simplify right side
    55,311.48x = 1,317,024,988.30
  5. Step 5: Solve for x
    x = 1,317,024,988.30/55,311.48
  6. Step 6: Final answer
    x = 23,811.06

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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.