Home / 45,741.78-68,611.86-18,039.78

Finding the Fourth Proportional to 45,741.78, 68,611.86 and 18,039.78

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Solution

The fourth proportional to 45,741.78, 68,611.86 and 18,039.78 is: 27,059.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,741.78 : 68,611.86 = 18,039.78 : x
  2. Step 2: Convert to fraction form
    45,741.78/68,611.86 = 18,039.78/x
  3. Step 3: Cross multiply
    45,741.78x = 68,611.86 × 18,039.78
  4. Step 4: Simplify right side
    45,741.78x = 1,237,742,859.79
  5. Step 5: Solve for x
    x = 1,237,742,859.79/45,741.78
  6. Step 6: Final answer
    x = 27,059.35

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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.