Home / 33,312.32-45,971.52-18,408.32

Finding the Fourth Proportional to 33,312.32, 45,971.52 and 18,408.32

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Solution

The fourth proportional to 33,312.32, 45,971.52 and 18,408.32 is: 25,403.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,312.32 : 45,971.52 = 18,408.32 : x
  2. Step 2: Convert to fraction form
    33,312.32/45,971.52 = 18,408.32/x
  3. Step 3: Cross multiply
    33,312.32x = 45,971.52 × 18,408.32
  4. Step 4: Simplify right side
    33,312.32x = 846,258,451.05
  5. Step 5: Solve for x
    x = 846,258,451.05/33,312.32
  6. Step 6: Final answer
    x = 25,403.77

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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.