Home / 43,152.30-64,753.56-18,190.80

Finding the Fourth Proportional to 43,152.30, 64,753.56 and 18,190.80

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Solution

The fourth proportional to 43,152.30, 64,753.56 and 18,190.80 is: 27,296.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,152.30 : 64,753.56 = 18,190.80 : x
  2. Step 2: Convert to fraction form
    43,152.30/64,753.56 = 18,190.80/x
  3. Step 3: Cross multiply
    43,152.30x = 64,753.56 × 18,190.80
  4. Step 4: Simplify right side
    43,152.30x = 1,177,919,059.25
  5. Step 5: Solve for x
    x = 1,177,919,059.25/43,152.30
  6. Step 6: Final answer
    x = 27,296.79

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1.5x scale

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.