Home / 40,112.89-60,168.53-13,817.05

Finding the Fourth Proportional to 40,112.89, 60,168.53 and 13,817.05

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Solution

The fourth proportional to 40,112.89, 60,168.53 and 13,817.05 is: 20,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,112.89 : 60,168.53 = 13,817.05 : x
  2. Step 2: Convert to fraction form
    40,112.89/60,168.53 = 13,817.05/x
  3. Step 3: Cross multiply
    40,112.89x = 60,168.53 × 13,817.05
  4. Step 4: Simplify right side
    40,112.89x = 831,351,587.44
  5. Step 5: Solve for x
    x = 831,351,587.44/40,112.89
  6. Step 6: Final answer
    x = 20,725.30

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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.