Home / 33,867.30-46,742.20-20,440.46

Finding the Fourth Proportional to 33,867.30, 46,742.20 and 20,440.46

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Solution

The fourth proportional to 33,867.30, 46,742.20 and 20,440.46 is: 28,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,867.30 : 46,742.20 = 20,440.46 : x
  2. Step 2: Convert to fraction form
    33,867.30/46,742.20 = 20,440.46/x
  3. Step 3: Cross multiply
    33,867.30x = 46,742.20 × 20,440.46
  4. Step 4: Simplify right side
    33,867.30x = 955,432,069.41
  5. Step 5: Solve for x
    x = 955,432,069.41/33,867.30
  6. Step 6: Final answer
    x = 28,211.05

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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.