Home / 33,085.89-45,665.73-20,350.02

Finding the Fourth Proportional to 33,085.89, 45,665.73 and 20,350.02

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Solution

The fourth proportional to 33,085.89, 45,665.73 and 20,350.02 is: 28,087.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,085.89 : 45,665.73 = 20,350.02 : x
  2. Step 2: Convert to fraction form
    33,085.89/45,665.73 = 20,350.02/x
  3. Step 3: Cross multiply
    33,085.89x = 45,665.73 × 20,350.02
  4. Step 4: Simplify right side
    33,085.89x = 929,298,518.81
  5. Step 5: Solve for x
    x = 929,298,518.81/33,085.89
  6. Step 6: Final answer
    x = 28,087.46

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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.