Home / 45,462.37-68,191.94-13,871.15

Finding the Fourth Proportional to 45,462.37, 68,191.94 and 13,871.15

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Solution

The fourth proportional to 45,462.37, 68,191.94 and 13,871.15 is: 20,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,462.37 : 68,191.94 = 13,871.15 : x
  2. Step 2: Convert to fraction form
    45,462.37/68,191.94 = 13,871.15/x
  3. Step 3: Cross multiply
    45,462.37x = 68,191.94 × 13,871.15
  4. Step 4: Simplify right side
    45,462.37x = 945,900,559.18
  5. Step 5: Solve for x
    x = 945,900,559.18/45,462.37
  6. Step 6: Final answer
    x = 20,806.23

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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.