Home / 55,604.21-76,739.30-31,734.45

Finding the Fourth Proportional to 55,604.21, 76,739.30 and 31,734.45

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Solution

The fourth proportional to 55,604.21, 76,739.30 and 31,734.45 is: 43,796.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,604.21 : 76,739.30 = 31,734.45 : x
  2. Step 2: Convert to fraction form
    55,604.21/76,739.30 = 31,734.45/x
  3. Step 3: Cross multiply
    55,604.21x = 76,739.30 × 31,734.45
  4. Step 4: Simplify right side
    55,604.21x = 2,435,279,478.89
  5. Step 5: Solve for x
    x = 2,435,279,478.89/55,604.21
  6. Step 6: Final answer
    x = 43,796.67

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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.