Home / 39,136.37-54,008.19-22,140.25

Finding the Fourth Proportional to 39,136.37, 54,008.19 and 22,140.25

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Solution

The fourth proportional to 39,136.37, 54,008.19 and 22,140.25 is: 30,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,136.37 : 54,008.19 = 22,140.25 : x
  2. Step 2: Convert to fraction form
    39,136.37/54,008.19 = 22,140.25/x
  3. Step 3: Cross multiply
    39,136.37x = 54,008.19 × 22,140.25
  4. Step 4: Simplify right side
    39,136.37x = 1,195,754,693.63
  5. Step 5: Solve for x
    x = 1,195,754,693.63/39,136.37
  6. Step 6: Final answer
    x = 30,553.55

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Double scale
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1.5x scale

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.