Home / 39,106.84-53,876.28-31,991.80

Finding the Fourth Proportional to 39,106.84, 53,876.28 and 31,991.80

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Solution

The fourth proportional to 39,106.84, 53,876.28 and 31,991.80 is: 44,074.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,106.84 : 53,876.28 = 31,991.80 : x
  2. Step 2: Convert to fraction form
    39,106.84/53,876.28 = 31,991.80/x
  3. Step 3: Cross multiply
    39,106.84x = 53,876.28 × 31,991.80
  4. Step 4: Simplify right side
    39,106.84x = 1,723,599,174.50
  5. Step 5: Solve for x
    x = 1,723,599,174.50/39,106.84
  6. Step 6: Final answer
    x = 44,074.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.