Home / 57,017.37-78,696.46-33,157.81

Finding the Fourth Proportional to 57,017.37, 78,696.46 and 33,157.81

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Solution

The fourth proportional to 57,017.37, 78,696.46 and 33,157.81 is: 45,765.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,017.37 : 78,696.46 = 33,157.81 : x
  2. Step 2: Convert to fraction form
    57,017.37/78,696.46 = 33,157.81/x
  3. Step 3: Cross multiply
    57,017.37x = 78,696.46 × 33,157.81
  4. Step 4: Simplify right side
    57,017.37x = 2,609,401,988.72
  5. Step 5: Solve for x
    x = 2,609,401,988.72/57,017.37
  6. Step 6: Final answer
    x = 45,765.04

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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.