Home / 35,447.40-53,171.10-30,522.60

Finding the Fourth Proportional to 35,447.40, 53,171.10 and 30,522.60

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Solution

The fourth proportional to 35,447.40, 53,171.10 and 30,522.60 is: 45,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,447.40 : 53,171.10 = 30,522.60 : x
  2. Step 2: Convert to fraction form
    35,447.40/53,171.10 = 30,522.60/x
  3. Step 3: Cross multiply
    35,447.40x = 53,171.10 × 30,522.60
  4. Step 4: Simplify right side
    35,447.40x = 1,622,920,216.86
  5. Step 5: Solve for x
    x = 1,622,920,216.86/35,447.40
  6. Step 6: Final answer
    x = 45,783.90

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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.