Home / 42,773.46-64,171.26-13,190.64

Finding the Fourth Proportional to 42,773.46, 64,171.26 and 13,190.64

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Solution

The fourth proportional to 42,773.46, 64,171.26 and 13,190.64 is: 19,789.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,773.46 : 64,171.26 = 13,190.64 : x
  2. Step 2: Convert to fraction form
    42,773.46/64,171.26 = 13,190.64/x
  3. Step 3: Cross multiply
    42,773.46x = 64,171.26 × 13,190.64
  4. Step 4: Simplify right side
    42,773.46x = 846,459,989.01
  5. Step 5: Solve for x
    x = 846,459,989.01/42,773.46
  6. Step 6: Final answer
    x = 19,789.37

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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.