Home / 43,270.92-64,914.28-19,896.75

Finding the Fourth Proportional to 43,270.92, 64,914.28 and 19,896.75

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Solution

The fourth proportional to 43,270.92, 64,914.28 and 19,896.75 is: 29,848.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,270.92 : 64,914.28 = 19,896.75 : x
  2. Step 2: Convert to fraction form
    43,270.92/64,914.28 = 19,896.75/x
  3. Step 3: Cross multiply
    43,270.92x = 64,914.28 × 19,896.75
  4. Step 4: Simplify right side
    43,270.92x = 1,291,583,150.85
  5. Step 5: Solve for x
    x = 1,291,583,150.85/43,270.92
  6. Step 6: Final answer
    x = 29,848.76

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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.