Home / 43,334.08-65,007.60-18,374.20

Finding the Fourth Proportional to 43,334.08, 65,007.60 and 18,374.20

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Solution

The fourth proportional to 43,334.08, 65,007.60 and 18,374.20 is: 27,564.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,334.08 : 65,007.60 = 18,374.20 : x
  2. Step 2: Convert to fraction form
    43,334.08/65,007.60 = 18,374.20/x
  3. Step 3: Cross multiply
    43,334.08x = 65,007.60 × 18,374.20
  4. Step 4: Simplify right side
    43,334.08x = 1,194,462,643.92
  5. Step 5: Solve for x
    x = 1,194,462,643.92/43,334.08
  6. Step 6: Final answer
    x = 27,564.05

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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.