Home / 39,665.97-54,730.49-22,889.25

Finding the Fourth Proportional to 39,665.97, 54,730.49 and 22,889.25

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Solution

The fourth proportional to 39,665.97, 54,730.49 and 22,889.25 is: 31,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,665.97 : 54,730.49 = 22,889.25 : x
  2. Step 2: Convert to fraction form
    39,665.97/54,730.49 = 22,889.25/x
  3. Step 3: Cross multiply
    39,665.97x = 54,730.49 × 22,889.25
  4. Step 4: Simplify right side
    39,665.97x = 1,252,739,753.79
  5. Step 5: Solve for x
    x = 1,252,739,753.79/39,665.97
  6. Step 6: Final answer
    x = 31,582.23

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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.