Home / 32,791.20-49,186.80-13,059.60

Finding the Fourth Proportional to 32,791.20, 49,186.80 and 13,059.60

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Solution

The fourth proportional to 32,791.20, 49,186.80 and 13,059.60 is: 19,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,791.20 : 49,186.80 = 13,059.60 : x
  2. Step 2: Convert to fraction form
    32,791.20/49,186.80 = 13,059.60/x
  3. Step 3: Cross multiply
    32,791.20x = 49,186.80 × 13,059.60
  4. Step 4: Simplify right side
    32,791.20x = 642,359,933.28
  5. Step 5: Solve for x
    x = 642,359,933.28/32,791.20
  6. Step 6: Final answer
    x = 19,589.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.