Home / 39,039.70-58,552.91-14,074.78

Finding the Fourth Proportional to 39,039.70, 58,552.91 and 14,074.78

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Solution

The fourth proportional to 39,039.70, 58,552.91 and 14,074.78 is: 21,109.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,039.70 : 58,552.91 = 14,074.78 : x
  2. Step 2: Convert to fraction form
    39,039.70/58,552.91 = 14,074.78/x
  3. Step 3: Cross multiply
    39,039.70x = 58,552.91 × 14,074.78
  4. Step 4: Simplify right side
    39,039.70x = 824,119,326.61
  5. Step 5: Solve for x
    x = 824,119,326.61/39,039.70
  6. Step 6: Final answer
    x = 21,109.78

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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.