Home / 33,039.78-45,594.22-18,699.35

Finding the Fourth Proportional to 33,039.78, 45,594.22 and 18,699.35

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Solution

The fourth proportional to 33,039.78, 45,594.22 and 18,699.35 is: 25,804.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,039.78 : 45,594.22 = 18,699.35 : x
  2. Step 2: Convert to fraction form
    33,039.78/45,594.22 = 18,699.35/x
  3. Step 3: Cross multiply
    33,039.78x = 45,594.22 × 18,699.35
  4. Step 4: Simplify right side
    33,039.78x = 852,582,298.25
  5. Step 5: Solve for x
    x = 852,582,298.25/33,039.78
  6. Step 6: Final answer
    x = 25,804.72

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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.