Home / 34,180.88-47,171.43-20,038.28

Finding the Fourth Proportional to 34,180.88, 47,171.43 and 20,038.28

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Solution

The fourth proportional to 34,180.88, 47,171.43 and 20,038.28 is: 27,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,180.88 : 47,171.43 = 20,038.28 : x
  2. Step 2: Convert to fraction form
    34,180.88/47,171.43 = 20,038.28/x
  3. Step 3: Cross multiply
    34,180.88x = 47,171.43 × 20,038.28
  4. Step 4: Simplify right side
    34,180.88x = 945,234,086.48
  5. Step 5: Solve for x
    x = 945,234,086.48/34,180.88
  6. Step 6: Final answer
    x = 27,653.89

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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.