Home / 45,361.32-68,042.07-13,771.64

Finding the Fourth Proportional to 45,361.32, 68,042.07 and 13,771.64

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Solution

The fourth proportional to 45,361.32, 68,042.07 and 13,771.64 is: 20,657.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,361.32 : 68,042.07 = 13,771.64 : x
  2. Step 2: Convert to fraction form
    45,361.32/68,042.07 = 13,771.64/x
  3. Step 3: Cross multiply
    45,361.32x = 68,042.07 × 13,771.64
  4. Step 4: Simplify right side
    45,361.32x = 937,050,892.89
  5. Step 5: Solve for x
    x = 937,050,892.89/45,361.32
  6. Step 6: Final answer
    x = 20,657.49

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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.