Home / 34,765.41-47,984.09-20,429.84

Finding the Fourth Proportional to 34,765.41, 47,984.09 and 20,429.84

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Solution

The fourth proportional to 34,765.41, 47,984.09 and 20,429.84 is: 28,197.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,765.41 : 47,984.09 = 20,429.84 : x
  2. Step 2: Convert to fraction form
    34,765.41/47,984.09 = 20,429.84/x
  3. Step 3: Cross multiply
    34,765.41x = 47,984.09 × 20,429.84
  4. Step 4: Simplify right side
    34,765.41x = 980,307,471.43
  5. Step 5: Solve for x
    x = 980,307,471.43/34,765.41
  6. Step 6: Final answer
    x = 28,197.79

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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.