Home / 39,929.59-55,102.54-22,024.20

Finding the Fourth Proportional to 39,929.59, 55,102.54 and 22,024.20

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Solution

The fourth proportional to 39,929.59, 55,102.54 and 22,024.20 is: 30,393.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929.59 : 55,102.54 = 22,024.20 : x
  2. Step 2: Convert to fraction form
    39,929.59/55,102.54 = 22,024.20/x
  3. Step 3: Cross multiply
    39,929.59x = 55,102.54 × 22,024.20
  4. Step 4: Simplify right side
    39,929.59x = 1,213,589,361.47
  5. Step 5: Solve for x
    x = 1,213,589,361.47/39,929.59
  6. Step 6: Final answer
    x = 30,393.23

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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.