Home / 21,254.04-31,939.38-20,046.33

Finding the Fourth Proportional to 21,254.04, 31,939.38 and 20,046.33

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Solution

The fourth proportional to 21,254.04, 31,939.38 and 20,046.33 is: 30,124.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,254.04 : 31,939.38 = 20,046.33 : x
  2. Step 2: Convert to fraction form
    21,254.04/31,939.38 = 20,046.33/x
  3. Step 3: Cross multiply
    21,254.04x = 31,939.38 × 20,046.33
  4. Step 4: Simplify right side
    21,254.04x = 640,267,351.48
  5. Step 5: Solve for x
    x = 640,267,351.48/21,254.04
  6. Step 6: Final answer
    x = 30,124.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.