Home / 39,664.50-54,733.52-22,665.36

Finding the Fourth Proportional to 39,664.50, 54,733.52 and 22,665.36

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Solution

The fourth proportional to 39,664.50, 54,733.52 and 22,665.36 is: 31,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,664.50 : 54,733.52 = 22,665.36 : x
  2. Step 2: Convert to fraction form
    39,664.50/54,733.52 = 22,665.36/x
  3. Step 3: Cross multiply
    39,664.50x = 54,733.52 × 22,665.36
  4. Step 4: Simplify right side
    39,664.50x = 1,240,554,934.87
  5. Step 5: Solve for x
    x = 1,240,554,934.87/39,664.50
  6. Step 6: Final answer
    x = 31,276.20

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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.