Home / 39,665.25-54,739.08-22,436.22

Finding the Fourth Proportional to 39,665.25, 54,739.08 and 22,436.22

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Solution

The fourth proportional to 39,665.25, 54,739.08 and 22,436.22 is: 30,962.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,665.25 : 54,739.08 = 22,436.22 : x
  2. Step 2: Convert to fraction form
    39,665.25/54,739.08 = 22,436.22/x
  3. Step 3: Cross multiply
    39,665.25x = 54,739.08 × 22,436.22
  4. Step 4: Simplify right side
    39,665.25x = 1,228,138,041.48
  5. Step 5: Solve for x
    x = 1,228,138,041.48/39,665.25
  6. Step 6: Final answer
    x = 30,962.57

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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.