Home / 35,693.40-53,540.10-30,768.60

Finding the Fourth Proportional to 35,693.40, 53,540.10 and 30,768.60

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Solution

The fourth proportional to 35,693.40, 53,540.10 and 30,768.60 is: 46,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,693.40 : 53,540.10 = 30,768.60 : x
  2. Step 2: Convert to fraction form
    35,693.40/53,540.10 = 30,768.60/x
  3. Step 3: Cross multiply
    35,693.40x = 53,540.10 × 30,768.60
  4. Step 4: Simplify right side
    35,693.40x = 1,647,353,920.86
  5. Step 5: Solve for x
    x = 1,647,353,920.86/35,693.40
  6. Step 6: Final answer
    x = 46,152.90

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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.