Home / 33,210.74-45,833.10-20,295.56

Finding the Fourth Proportional to 33,210.74, 45,833.10 and 20,295.56

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Solution

The fourth proportional to 33,210.74, 45,833.10 and 20,295.56 is: 28,009.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,210.74 : 45,833.10 = 20,295.56 : x
  2. Step 2: Convert to fraction form
    33,210.74/45,833.10 = 20,295.56/x
  3. Step 3: Cross multiply
    33,210.74x = 45,833.10 × 20,295.56
  4. Step 4: Simplify right side
    33,210.74x = 930,208,431.04
  5. Step 5: Solve for x
    x = 930,208,431.04/33,210.74
  6. Step 6: Final answer
    x = 28,009.27

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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.