Home / 33,398.27-46,068.40-20,471.50

Finding the Fourth Proportional to 33,398.27, 46,068.40 and 20,471.50

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Solution

The fourth proportional to 33,398.27, 46,068.40 and 20,471.50 is: 28,237.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,398.27 : 46,068.40 = 20,471.50 : x
  2. Step 2: Convert to fraction form
    33,398.27/46,068.40 = 20,471.50/x
  3. Step 3: Cross multiply
    33,398.27x = 46,068.40 × 20,471.50
  4. Step 4: Simplify right side
    33,398.27x = 943,089,084.25
  5. Step 5: Solve for x
    x = 943,089,084.25/33,398.27
  6. Step 6: Final answer
    x = 28,237.67

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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.