Home / 33,276.70-45,874.14-20,521.32

Finding the Fourth Proportional to 33,276.70, 45,874.14 and 20,521.32

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Solution

The fourth proportional to 33,276.70, 45,874.14 and 20,521.32 is: 28,290.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,276.70 : 45,874.14 = 20,521.32 : x
  2. Step 2: Convert to fraction form
    33,276.70/45,874.14 = 20,521.32/x
  3. Step 3: Cross multiply
    33,276.70x = 45,874.14 × 20,521.32
  4. Step 4: Simplify right side
    33,276.70x = 941,397,677.29
  5. Step 5: Solve for x
    x = 941,397,677.29/33,276.70
  6. Step 6: Final answer
    x = 28,290.00

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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.