Home / 55,450.80-76,535.84-31,591.64

Finding the Fourth Proportional to 55,450.80, 76,535.84 and 31,591.64

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Solution

The fourth proportional to 55,450.80, 76,535.84 and 31,591.64 is: 43,604.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,450.80 : 76,535.84 = 31,591.64 : x
  2. Step 2: Convert to fraction form
    55,450.80/76,535.84 = 31,591.64/x
  3. Step 3: Cross multiply
    55,450.80x = 76,535.84 × 31,591.64
  4. Step 4: Simplify right side
    55,450.80x = 2,417,892,704.38
  5. Step 5: Solve for x
    x = 2,417,892,704.38/55,450.80
  6. Step 6: Final answer
    x = 43,604.29

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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.