Home / 34,419.27-47,492.96-20,270.19

Finding the Fourth Proportional to 34,419.27, 47,492.96 and 20,270.19

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Solution

The fourth proportional to 34,419.27, 47,492.96 and 20,270.19 is: 27,969.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,419.27 : 47,492.96 = 20,270.19 : x
  2. Step 2: Convert to fraction form
    34,419.27/47,492.96 = 20,270.19/x
  3. Step 3: Cross multiply
    34,419.27x = 47,492.96 × 20,270.19
  4. Step 4: Simplify right side
    34,419.27x = 962,691,221.51
  5. Step 5: Solve for x
    x = 962,691,221.51/34,419.27
  6. Step 6: Final answer
    x = 27,969.54

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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.