Home / 55,540.70-76,645.85-30,047.00

Finding the Fourth Proportional to 55,540.70, 76,645.85 and 30,047.00

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Solution

The fourth proportional to 55,540.70, 76,645.85 and 30,047.00 is: 41,464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,540.70 : 76,645.85 = 30,047.00 : x
  2. Step 2: Convert to fraction form
    55,540.70/76,645.85 = 30,047.00/x
  3. Step 3: Cross multiply
    55,540.70x = 76,645.85 × 30,047.00
  4. Step 4: Simplify right side
    55,540.70x = 2,302,977,738.45
  5. Step 5: Solve for x
    x = 2,302,977,738.45/55,540.70
  6. Step 6: Final answer
    x = 41,464.69

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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.