Home / 33,052.76-45,620.52-21,126.32

Finding the Fourth Proportional to 33,052.76, 45,620.52 and 21,126.32

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Solution

The fourth proportional to 33,052.76, 45,620.52 and 21,126.32 is: 29,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,052.76 : 45,620.52 = 21,126.32 : x
  2. Step 2: Convert to fraction form
    33,052.76/45,620.52 = 21,126.32/x
  3. Step 3: Cross multiply
    33,052.76x = 45,620.52 × 21,126.32
  4. Step 4: Simplify right side
    33,052.76x = 963,793,704.09
  5. Step 5: Solve for x
    x = 963,793,704.09/33,052.76
  6. Step 6: Final answer
    x = 29,159.25

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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.