Home / 33,038.44-45,581.88-18,881.20

Finding the Fourth Proportional to 33,038.44, 45,581.88 and 18,881.20

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Solution

The fourth proportional to 33,038.44, 45,581.88 and 18,881.20 is: 26,049.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,038.44 : 45,581.88 = 18,881.20 : x
  2. Step 2: Convert to fraction form
    33,038.44/45,581.88 = 18,881.20/x
  3. Step 3: Cross multiply
    33,038.44x = 45,581.88 × 18,881.20
  4. Step 4: Simplify right side
    33,038.44x = 860,640,592.66
  5. Step 5: Solve for x
    x = 860,640,592.66/33,038.44
  6. Step 6: Final answer
    x = 26,049.67

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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.