Home / 33,072.91-45,623.12-20,952.01

Finding the Fourth Proportional to 33,072.91, 45,623.12 and 20,952.01

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Solution

The fourth proportional to 33,072.91, 45,623.12 and 20,952.01 is: 28,902.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,072.91 : 45,623.12 = 20,952.01 : x
  2. Step 2: Convert to fraction form
    33,072.91/45,623.12 = 20,952.01/x
  3. Step 3: Cross multiply
    33,072.91x = 45,623.12 × 20,952.01
  4. Step 4: Simplify right side
    33,072.91x = 955,895,762.11
  5. Step 5: Solve for x
    x = 955,895,762.11/33,072.91
  6. Step 6: Final answer
    x = 28,902.68

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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.