Home / 39,665.49-54,734.89-22,666.36

Finding the Fourth Proportional to 39,665.49, 54,734.89 and 22,666.36

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Solution

The fourth proportional to 39,665.49, 54,734.89 and 22,666.36 is: 31,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,665.49 : 54,734.89 = 22,666.36 : x
  2. Step 2: Convert to fraction form
    39,665.49/54,734.89 = 22,666.36/x
  3. Step 3: Cross multiply
    39,665.49x = 54,734.89 × 22,666.36
  4. Step 4: Simplify right side
    39,665.49x = 1,240,640,721.30
  5. Step 5: Solve for x
    x = 1,240,640,721.30/39,665.49
  6. Step 6: Final answer
    x = 31,277.58

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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.