Home / 39,135.02-53,993.57-22,137.62

Finding the Fourth Proportional to 39,135.02, 53,993.57 and 22,137.62

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Solution

The fourth proportional to 39,135.02, 53,993.57 and 22,137.62 is: 30,542.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,135.02 : 53,993.57 = 22,137.62 : x
  2. Step 2: Convert to fraction form
    39,135.02/53,993.57 = 22,137.62/x
  3. Step 3: Cross multiply
    39,135.02x = 53,993.57 × 22,137.62
  4. Step 4: Simplify right side
    39,135.02x = 1,195,288,754.45
  5. Step 5: Solve for x
    x = 1,195,288,754.45/39,135.02
  6. Step 6: Final answer
    x = 30,542.69

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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.