Home / 34,221.12-47,225.92-20,084.16

Finding the Fourth Proportional to 34,221.12, 47,225.92 and 20,084.16

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Solution

The fourth proportional to 34,221.12, 47,225.92 and 20,084.16 is: 27,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,221.12 : 47,225.92 = 20,084.16 : x
  2. Step 2: Convert to fraction form
    34,221.12/47,225.92 = 20,084.16/x
  3. Step 3: Cross multiply
    34,221.12x = 47,225.92 × 20,084.16
  4. Step 4: Simplify right side
    34,221.12x = 948,492,933.43
  5. Step 5: Solve for x
    x = 948,492,933.43/34,221.12
  6. Step 6: Final answer
    x = 27,716.60

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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.