Home / 33,114.86-45,699.70-18,970.43

Finding the Fourth Proportional to 33,114.86, 45,699.70 and 18,970.43

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Solution

The fourth proportional to 33,114.86, 45,699.70 and 18,970.43 is: 26,179.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,114.86 : 45,699.70 = 18,970.43 : x
  2. Step 2: Convert to fraction form
    33,114.86/45,699.70 = 18,970.43/x
  3. Step 3: Cross multiply
    33,114.86x = 45,699.70 × 18,970.43
  4. Step 4: Simplify right side
    33,114.86x = 866,943,183.39
  5. Step 5: Solve for x
    x = 866,943,183.39/33,114.86
  6. Step 6: Final answer
    x = 26,179.89

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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.