Home / 34,522.06-47,629.20-20,372.20

Finding the Fourth Proportional to 34,522.06, 47,629.20 and 20,372.20

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Solution

The fourth proportional to 34,522.06, 47,629.20 and 20,372.20 is: 28,107.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,522.06 : 47,629.20 = 20,372.20 : x
  2. Step 2: Convert to fraction form
    34,522.06/47,629.20 = 20,372.20/x
  3. Step 3: Cross multiply
    34,522.06x = 47,629.20 × 20,372.20
  4. Step 4: Simplify right side
    34,522.06x = 970,311,588.24
  5. Step 5: Solve for x
    x = 970,311,588.24/34,522.06
  6. Step 6: Final answer
    x = 28,107.00

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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.