Home / 34,615.14-47,784.84-20,272.98

Finding the Fourth Proportional to 34,615.14, 47,784.84 and 20,272.98

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Solution

The fourth proportional to 34,615.14, 47,784.84 and 20,272.98 is: 27,986.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,615.14 : 47,784.84 = 20,272.98 : x
  2. Step 2: Convert to fraction form
    34,615.14/47,784.84 = 20,272.98/x
  3. Step 3: Cross multiply
    34,615.14x = 47,784.84 × 20,272.98
  4. Step 4: Simplify right side
    34,615.14x = 968,741,105.62
  5. Step 5: Solve for x
    x = 968,741,105.62/34,615.14
  6. Step 6: Final answer
    x = 27,986.05

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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.