Home / 45,638.20-68,361.81-36,705.25

Finding the Fourth Proportional to 45,638.20, 68,361.81 and 36,705.25

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Solution

The fourth proportional to 45,638.20, 68,361.81 and 36,705.25 is: 54,981.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,638.20 : 68,361.81 = 36,705.25 : x
  2. Step 2: Convert to fraction form
    45,638.20/68,361.81 = 36,705.25/x
  3. Step 3: Cross multiply
    45,638.20x = 68,361.81 × 36,705.25
  4. Step 4: Simplify right side
    45,638.20x = 2,509,237,274.31
  5. Step 5: Solve for x
    x = 2,509,237,274.31/45,638.20
  6. Step 6: Final answer
    x = 54,981.07

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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.