Home / 39,141.03-54,389.33-38,734.62

Finding the Fourth Proportional to 39,141.03, 54,389.33 and 38,734.62

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Solution

The fourth proportional to 39,141.03, 54,389.33 and 38,734.62 is: 53,824.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,141.03 : 54,389.33 = 38,734.62 : x
  2. Step 2: Convert to fraction form
    39,141.03/54,389.33 = 38,734.62/x
  3. Step 3: Cross multiply
    39,141.03x = 54,389.33 × 38,734.62
  4. Step 4: Simplify right side
    39,141.03x = 2,106,749,835.93
  5. Step 5: Solve for x
    x = 2,106,749,835.93/39,141.03
  6. Step 6: Final answer
    x = 53,824.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.