Home / 45,439.56-68,170.11-14,274.81

Finding the Fourth Proportional to 45,439.56, 68,170.11 and 14,274.81

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Solution

The fourth proportional to 45,439.56, 68,170.11 and 14,274.81 is: 21,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,439.56 : 68,170.11 = 14,274.81 : x
  2. Step 2: Convert to fraction form
    45,439.56/68,170.11 = 14,274.81/x
  3. Step 3: Cross multiply
    45,439.56x = 68,170.11 × 14,274.81
  4. Step 4: Simplify right side
    45,439.56x = 973,115,367.93
  5. Step 5: Solve for x
    x = 973,115,367.93/45,439.56
  6. Step 6: Final answer
    x = 21,415.60

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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.