Home / 55,396.12-76,446.60-30,245.62

Finding the Fourth Proportional to 55,396.12, 76,446.60 and 30,245.62

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Solution

The fourth proportional to 55,396.12, 76,446.60 and 30,245.62 is: 41,738.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,396.12 : 76,446.60 = 30,245.62 : x
  2. Step 2: Convert to fraction form
    55,396.12/76,446.60 = 30,245.62/x
  3. Step 3: Cross multiply
    55,396.12x = 76,446.60 × 30,245.62
  4. Step 4: Simplify right side
    55,396.12x = 2,312,174,813.89
  5. Step 5: Solve for x
    x = 2,312,174,813.89/55,396.12
  6. Step 6: Final answer
    x = 41,738.93

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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.