Home / 43,188.48-64,735.20-16,888.32

Finding the Fourth Proportional to 43,188.48, 64,735.20 and 16,888.32

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Solution

The fourth proportional to 43,188.48, 64,735.20 and 16,888.32 is: 25,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,188.48 : 64,735.20 = 16,888.32 : x
  2. Step 2: Convert to fraction form
    43,188.48/64,735.20 = 16,888.32/x
  3. Step 3: Cross multiply
    43,188.48x = 64,735.20 × 16,888.32
  4. Step 4: Simplify right side
    43,188.48x = 1,093,268,772.86
  5. Step 5: Solve for x
    x = 1,093,268,772.86/43,188.48
  6. Step 6: Final answer
    x = 25,313.90

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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.