Home / 29,329.76-40,471.44-18,725.60

Finding the Fourth Proportional to 29,329.76, 40,471.44 and 18,725.60

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Solution

The fourth proportional to 29,329.76, 40,471.44 and 18,725.60 is: 25,839.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,329.76 : 40,471.44 = 18,725.60 : x
  2. Step 2: Convert to fraction form
    29,329.76/40,471.44 = 18,725.60/x
  3. Step 3: Cross multiply
    29,329.76x = 40,471.44 × 18,725.60
  4. Step 4: Simplify right side
    29,329.76x = 757,851,996.86
  5. Step 5: Solve for x
    x = 757,851,996.86/29,329.76
  6. Step 6: Final answer
    x = 25,839.01

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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.