Home / 45,434.96-68,163.22-14,270.21

Finding the Fourth Proportional to 45,434.96, 68,163.22 and 14,270.21

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Solution

The fourth proportional to 45,434.96, 68,163.22 and 14,270.21 is: 21,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,434.96 : 68,163.22 = 14,270.21 : x
  2. Step 2: Convert to fraction form
    45,434.96/68,163.22 = 14,270.21/x
  3. Step 3: Cross multiply
    45,434.96x = 68,163.22 × 14,270.21
  4. Step 4: Simplify right side
    45,434.96x = 972,703,396.31
  5. Step 5: Solve for x
    x = 972,703,396.31/45,434.96
  6. Step 6: Final answer
    x = 21,408.70

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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.