Home / 45,928.32-68,892.85-12,650.22

Finding the Fourth Proportional to 45,928.32, 68,892.85 and 12,650.22

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Solution

The fourth proportional to 45,928.32, 68,892.85 and 12,650.22 is: 18,975.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,928.32 : 68,892.85 = 12,650.22 : x
  2. Step 2: Convert to fraction form
    45,928.32/68,892.85 = 12,650.22/x
  3. Step 3: Cross multiply
    45,928.32x = 68,892.85 × 12,650.22
  4. Step 4: Simplify right side
    45,928.32x = 871,509,708.93
  5. Step 5: Solve for x
    x = 871,509,708.93/45,928.32
  6. Step 6: Final answer
    x = 18,975.43

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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.