Home / 33,245.12-45,878.28-18,904.16

Finding the Fourth Proportional to 33,245.12, 45,878.28 and 18,904.16

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Solution

The fourth proportional to 33,245.12, 45,878.28 and 18,904.16 is: 26,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,245.12 : 45,878.28 = 18,904.16 : x
  2. Step 2: Convert to fraction form
    33,245.12/45,878.28 = 18,904.16/x
  3. Step 3: Cross multiply
    33,245.12x = 45,878.28 × 18,904.16
  4. Step 4: Simplify right side
    33,245.12x = 867,290,345.64
  5. Step 5: Solve for x
    x = 867,290,345.64/33,245.12
  6. Step 6: Final answer
    x = 26,087.75

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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.