Home / 39,144.04-54,393.49-38,737.62

Finding the Fourth Proportional to 39,144.04, 54,393.49 and 38,737.62

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Solution

The fourth proportional to 39,144.04, 54,393.49 and 38,737.62 is: 53,828.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,144.04 : 54,393.49 = 38,737.62 : x
  2. Step 2: Convert to fraction form
    39,144.04/54,393.49 = 38,737.62/x
  3. Step 3: Cross multiply
    39,144.04x = 54,393.49 × 38,737.62
  4. Step 4: Simplify right side
    39,144.04x = 2,107,074,346.09
  5. Step 5: Solve for x
    x = 2,107,074,346.09/39,144.04
  6. Step 6: Final answer
    x = 53,828.74

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Double scale
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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.