Home / 33,770.77-50,686.61-17,988.99

Finding the Fourth Proportional to 33,770.77, 50,686.61 and 17,988.99

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Solution

The fourth proportional to 33,770.77, 50,686.61 and 17,988.99 is: 26,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,770.77 : 50,686.61 = 17,988.99 : x
  2. Step 2: Convert to fraction form
    33,770.77/50,686.61 = 17,988.99/x
  3. Step 3: Cross multiply
    33,770.77x = 50,686.61 × 17,988.99
  4. Step 4: Simplify right side
    33,770.77x = 911,800,741.59
  5. Step 5: Solve for x
    x = 911,800,741.59/33,770.77
  6. Step 6: Final answer
    x = 26,999.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.