Home / 55,427.24-76,486.74-30,271.88

Finding the Fourth Proportional to 55,427.24, 76,486.74 and 30,271.88

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Solution

The fourth proportional to 55,427.24, 76,486.74 and 30,271.88 is: 41,773.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,427.24 : 76,486.74 = 30,271.88 : x
  2. Step 2: Convert to fraction form
    55,427.24/76,486.74 = 30,271.88/x
  3. Step 3: Cross multiply
    55,427.24x = 76,486.74 × 30,271.88
  4. Step 4: Simplify right side
    55,427.24x = 2,315,397,414.87
  5. Step 5: Solve for x
    x = 2,315,397,414.87/55,427.24
  6. Step 6: Final answer
    x = 41,773.64

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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.