Home / 38,361.20-52,933.56-21,590.96

Finding the Fourth Proportional to 38,361.20, 52,933.56 and 21,590.96

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Solution

The fourth proportional to 38,361.20, 52,933.56 and 21,590.96 is: 29,792.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,361.20 : 52,933.56 = 21,590.96 : x
  2. Step 2: Convert to fraction form
    38,361.20/52,933.56 = 21,590.96/x
  3. Step 3: Cross multiply
    38,361.20x = 52,933.56 × 21,590.96
  4. Step 4: Simplify right side
    38,361.20x = 1,142,886,376.62
  5. Step 5: Solve for x
    x = 1,142,886,376.62/38,361.20
  6. Step 6: Final answer
    x = 29,792.77

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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.