Home / 42,236.70-58,219.65-33,270

Finding the Fourth Proportional to 42,236.70, 58,219.65 and 33,270

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Solution

The fourth proportional to 42,236.70, 58,219.65 and 33,270 is: 45,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,236.70 : 58,219.65 = 33,270 : x
  2. Step 2: Convert to fraction form
    42,236.70/58,219.65 = 33,270/x
  3. Step 3: Cross multiply
    42,236.70x = 58,219.65 × 33,270
  4. Step 4: Simplify right side
    42,236.70x = 1,936,967,755.50
  5. Step 5: Solve for x
    x = 1,936,967,755.50/42,236.70
  6. Step 6: Final answer
    x = 45,859.83

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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.