Home / 29,548.44-40,780.32-21,586.68

Finding the Fourth Proportional to 29,548.44, 40,780.32 and 21,586.68

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Solution

The fourth proportional to 29,548.44, 40,780.32 and 21,586.68 is: 29,792.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,548.44 : 40,780.32 = 21,586.68 : x
  2. Step 2: Convert to fraction form
    29,548.44/40,780.32 = 21,586.68/x
  3. Step 3: Cross multiply
    29,548.44x = 40,780.32 × 21,586.68
  4. Step 4: Simplify right side
    29,548.44x = 880,311,718.14
  5. Step 5: Solve for x
    x = 880,311,718.14/29,548.44
  6. Step 6: Final answer
    x = 29,792.16

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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.