Home / 55,872.37-77,082.06-31,986.28

Finding the Fourth Proportional to 55,872.37, 77,082.06 and 31,986.28

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Solution

The fourth proportional to 55,872.37, 77,082.06 and 31,986.28 is: 44,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,872.37 : 77,082.06 = 31,986.28 : x
  2. Step 2: Convert to fraction form
    55,872.37/77,082.06 = 31,986.28/x
  3. Step 3: Cross multiply
    55,872.37x = 77,082.06 × 31,986.28
  4. Step 4: Simplify right side
    55,872.37x = 2,465,568,354.14
  5. Step 5: Solve for x
    x = 2,465,568,354.14/55,872.37
  6. Step 6: Final answer
    x = 44,128.58

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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.