Home / 39,142.53-58,715.78-11,064.62

Finding the Fourth Proportional to 39,142.53, 58,715.78 and 11,064.62

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Solution

The fourth proportional to 39,142.53, 58,715.78 and 11,064.62 is: 16,597.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,142.53 : 58,715.78 = 11,064.62 : x
  2. Step 2: Convert to fraction form
    39,142.53/58,715.78 = 11,064.62/x
  3. Step 3: Cross multiply
    39,142.53x = 58,715.78 × 11,064.62
  4. Step 4: Simplify right side
    39,142.53x = 649,667,444.80
  5. Step 5: Solve for x
    x = 649,667,444.80/39,142.53
  6. Step 6: Final answer
    x = 16,597.48

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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.