Home / 36,072.89-49,780.46-20,157.34

Finding the Fourth Proportional to 36,072.89, 49,780.46 and 20,157.34

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Solution

The fourth proportional to 36,072.89, 49,780.46 and 20,157.34 is: 27,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,072.89 : 49,780.46 = 20,157.34 : x
  2. Step 2: Convert to fraction form
    36,072.89/49,780.46 = 20,157.34/x
  3. Step 3: Cross multiply
    36,072.89x = 49,780.46 × 20,157.34
  4. Step 4: Simplify right side
    36,072.89x = 1,003,441,307.89
  5. Step 5: Solve for x
    x = 1,003,441,307.89/36,072.89
  6. Step 6: Final answer
    x = 27,817.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.