Home / 29,324.41-40,435.58-21,784.73

Finding the Fourth Proportional to 29,324.41, 40,435.58 and 21,784.73

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Solution

The fourth proportional to 29,324.41, 40,435.58 and 21,784.73 is: 30,039.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,324.41 : 40,435.58 = 21,784.73 : x
  2. Step 2: Convert to fraction form
    29,324.41/40,435.58 = 21,784.73/x
  3. Step 3: Cross multiply
    29,324.41x = 40,435.58 × 21,784.73
  4. Step 4: Simplify right side
    29,324.41x = 880,878,044.98
  5. Step 5: Solve for x
    x = 880,878,044.98/29,324.41
  6. Step 6: Final answer
    x = 30,039.07

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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.