Home / 33,628.10-46,402.47-20,201.74

Finding the Fourth Proportional to 33,628.10, 46,402.47 and 20,201.74

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Solution

The fourth proportional to 33,628.10, 46,402.47 and 20,201.74 is: 27,875.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,628.10 : 46,402.47 = 20,201.74 : x
  2. Step 2: Convert to fraction form
    33,628.10/46,402.47 = 20,201.74/x
  3. Step 3: Cross multiply
    33,628.10x = 46,402.47 × 20,201.74
  4. Step 4: Simplify right side
    33,628.10x = 937,410,518.29
  5. Step 5: Solve for x
    x = 937,410,518.29/33,628.10
  6. Step 6: Final answer
    x = 27,875.81

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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.