Home / 34,299.72-47,334.96-20,152.44

Finding the Fourth Proportional to 34,299.72, 47,334.96 and 20,152.44

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Solution

The fourth proportional to 34,299.72, 47,334.96 and 20,152.44 is: 27,811.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,299.72 : 47,334.96 = 20,152.44 : x
  2. Step 2: Convert to fraction form
    34,299.72/47,334.96 = 20,152.44/x
  3. Step 3: Cross multiply
    34,299.72x = 47,334.96 × 20,152.44
  4. Step 4: Simplify right side
    34,299.72x = 953,914,941.30
  5. Step 5: Solve for x
    x = 953,914,941.30/34,299.72
  6. Step 6: Final answer
    x = 27,811.16

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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.