Home / 32,930.35-45,425.36-20,827.07

Finding the Fourth Proportional to 32,930.35, 45,425.36 and 20,827.07

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Solution

The fourth proportional to 32,930.35, 45,425.36 and 20,827.07 is: 28,729.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,930.35 : 45,425.36 = 20,827.07 : x
  2. Step 2: Convert to fraction form
    32,930.35/45,425.36 = 20,827.07/x
  3. Step 3: Cross multiply
    32,930.35x = 45,425.36 × 20,827.07
  4. Step 4: Simplify right side
    32,930.35x = 946,077,286.15
  5. Step 5: Solve for x
    x = 946,077,286.15/32,930.35
  6. Step 6: Final answer
    x = 28,729.65

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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.