Home / 39,507.68-54,534.32-22,747.36

Finding the Fourth Proportional to 39,507.68, 54,534.32 and 22,747.36

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Solution

The fourth proportional to 39,507.68, 54,534.32 and 22,747.36 is: 31,399.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,507.68 : 54,534.32 = 22,747.36 : x
  2. Step 2: Convert to fraction form
    39,507.68/54,534.32 = 22,747.36/x
  3. Step 3: Cross multiply
    39,507.68x = 54,534.32 × 22,747.36
  4. Step 4: Simplify right side
    39,507.68x = 1,240,511,809.40
  5. Step 5: Solve for x
    x = 1,240,511,809.40/39,507.68
  6. Step 6: Final answer
    x = 31,399.26

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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.