Home / 33,018.04-45,554.94-20,258.12

Finding the Fourth Proportional to 33,018.04, 45,554.94 and 20,258.12

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Solution

The fourth proportional to 33,018.04, 45,554.94 and 20,258.12 is: 27,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,018.04 : 45,554.94 = 20,258.12 : x
  2. Step 2: Convert to fraction form
    33,018.04/45,554.94 = 20,258.12/x
  3. Step 3: Cross multiply
    33,018.04x = 45,554.94 × 20,258.12
  4. Step 4: Simplify right side
    33,018.04x = 922,857,441.11
  5. Step 5: Solve for x
    x = 922,857,441.11/33,018.04
  6. Step 6: Final answer
    x = 27,950.10

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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.