Home / 33,314.96-45,970.21-21,394.45

Finding the Fourth Proportional to 33,314.96, 45,970.21 and 21,394.45

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Solution

The fourth proportional to 33,314.96, 45,970.21 and 21,394.45 is: 29,521.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,314.96 : 45,970.21 = 21,394.45 : x
  2. Step 2: Convert to fraction form
    33,314.96/45,970.21 = 21,394.45/x
  3. Step 3: Cross multiply
    33,314.96x = 45,970.21 × 21,394.45
  4. Step 4: Simplify right side
    33,314.96x = 983,507,190.92
  5. Step 5: Solve for x
    x = 983,507,190.92/33,314.96
  6. Step 6: Final answer
    x = 29,521.49

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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.