Home / 45,433.46-68,161.17-14,268.71

Finding the Fourth Proportional to 45,433.46, 68,161.17 and 14,268.71

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Solution

The fourth proportional to 45,433.46, 68,161.17 and 14,268.71 is: 21,406.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,433.46 : 68,161.17 = 14,268.71 : x
  2. Step 2: Convert to fraction form
    45,433.46/68,161.17 = 14,268.71/x
  3. Step 3: Cross multiply
    45,433.46x = 68,161.17 × 14,268.71
  4. Step 4: Simplify right side
    45,433.46x = 972,571,967.99
  5. Step 5: Solve for x
    x = 972,571,967.99/45,433.46
  6. Step 6: Final answer
    x = 21,406.51

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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.