Home / 45,507.96-68,274.24-13,919.13

Finding the Fourth Proportional to 45,507.96, 68,274.24 and 13,919.13

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Solution

The fourth proportional to 45,507.96, 68,274.24 and 13,919.13 is: 20,882.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,507.96 : 68,274.24 = 13,919.13 : x
  2. Step 2: Convert to fraction form
    45,507.96/68,274.24 = 13,919.13/x
  3. Step 3: Cross multiply
    45,507.96x = 68,274.24 × 13,919.13
  4. Step 4: Simplify right side
    45,507.96x = 950,318,022.21
  5. Step 5: Solve for x
    x = 950,318,022.21/45,507.96
  6. Step 6: Final answer
    x = 20,882.46

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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.