Home / 39,251.86-58,878.46-11,172.63

Finding the Fourth Proportional to 39,251.86, 58,878.46 and 11,172.63

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Solution

The fourth proportional to 39,251.86, 58,878.46 and 11,172.63 is: 16,759.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251.86 : 58,878.46 = 11,172.63 : x
  2. Step 2: Convert to fraction form
    39,251.86/58,878.46 = 11,172.63/x
  3. Step 3: Cross multiply
    39,251.86x = 58,878.46 × 11,172.63
  4. Step 4: Simplify right side
    39,251.86x = 657,827,395.75
  5. Step 5: Solve for x
    x = 657,827,395.75/39,251.86
  6. Step 6: Final answer
    x = 16,759.14

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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.