Home / 39,136.73-54,008.70-22,140.60

Finding the Fourth Proportional to 39,136.73, 54,008.70 and 22,140.60

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Solution

The fourth proportional to 39,136.73, 54,008.70 and 22,140.60 is: 30,554.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,136.73 : 54,008.70 = 22,140.60 : x
  2. Step 2: Convert to fraction form
    39,136.73/54,008.70 = 22,140.60/x
  3. Step 3: Cross multiply
    39,136.73x = 54,008.70 × 22,140.60
  4. Step 4: Simplify right side
    39,136.73x = 1,195,785,023.22
  5. Step 5: Solve for x
    x = 1,195,785,023.22/39,136.73
  6. Step 6: Final answer
    x = 30,554.04

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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.