Home / 55,311.13-82,967.15-15,869.50

Finding the Fourth Proportional to 55,311.13, 82,967.15 and 15,869.50

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Solution

The fourth proportional to 55,311.13, 82,967.15 and 15,869.50 is: 23,804.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,311.13 : 82,967.15 = 15,869.50 : x
  2. Step 2: Convert to fraction form
    55,311.13/82,967.15 = 15,869.50/x
  3. Step 3: Cross multiply
    55,311.13x = 82,967.15 × 15,869.50
  4. Step 4: Simplify right side
    55,311.13x = 1,316,647,019.18
  5. Step 5: Solve for x
    x = 1,316,647,019.18/55,311.13
  6. Step 6: Final answer
    x = 23,804.38

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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.