Home / 33,070.28-45,632.20-18,920.48

Finding the Fourth Proportional to 33,070.28, 45,632.20 and 18,920.48

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Solution

The fourth proportional to 33,070.28, 45,632.20 and 18,920.48 is: 26,107.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,070.28 : 45,632.20 = 18,920.48 : x
  2. Step 2: Convert to fraction form
    33,070.28/45,632.20 = 18,920.48/x
  3. Step 3: Cross multiply
    33,070.28x = 45,632.20 × 18,920.48
  4. Step 4: Simplify right side
    33,070.28x = 863,383,127.46
  5. Step 5: Solve for x
    x = 863,383,127.46/33,070.28
  6. Step 6: Final answer
    x = 26,107.52

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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.