Home / 52,729.44-72,759.60-30,369.12

Finding the Fourth Proportional to 52,729.44, 72,759.60 and 30,369.12

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Solution

The fourth proportional to 52,729.44, 72,759.60 and 30,369.12 is: 41,905.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,729.44 : 72,759.60 = 30,369.12 : x
  2. Step 2: Convert to fraction form
    52,729.44/72,759.60 = 30,369.12/x
  3. Step 3: Cross multiply
    52,729.44x = 72,759.60 × 30,369.12
  4. Step 4: Simplify right side
    52,729.44x = 2,209,645,023.55
  5. Step 5: Solve for x
    x = 2,209,645,023.55/52,729.44
  6. Step 6: Final answer
    x = 41,905.34

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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.