Home / 30,455.40-41,866.89-26,190.84

Finding the Fourth Proportional to 30,455.40, 41,866.89 and 26,190.84

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Solution

The fourth proportional to 30,455.40, 41,866.89 and 26,190.84 is: 36,004.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,455.40 : 41,866.89 = 26,190.84 : x
  2. Step 2: Convert to fraction form
    30,455.40/41,866.89 = 26,190.84/x
  3. Step 3: Cross multiply
    30,455.40x = 41,866.89 × 26,190.84
  4. Step 4: Simplify right side
    30,455.40x = 1,096,529,017.29
  5. Step 5: Solve for x
    x = 1,096,529,017.29/30,455.40
  6. Step 6: Final answer
    x = 36,004.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.