Home / 39,145.35-58,721.87-11,065.62

Finding the Fourth Proportional to 39,145.35, 58,721.87 and 11,065.62

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Solution

The fourth proportional to 39,145.35, 58,721.87 and 11,065.62 is: 16,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,145.35 : 58,721.87 = 11,065.62 : x
  2. Step 2: Convert to fraction form
    39,145.35/58,721.87 = 11,065.62/x
  3. Step 3: Cross multiply
    39,145.35x = 58,721.87 × 11,065.62
  4. Step 4: Simplify right side
    39,145.35x = 649,793,899.11
  5. Step 5: Solve for x
    x = 649,793,899.11/39,145.35
  6. Step 6: Final answer
    x = 16,599.52

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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.