Home / 29,571.57-40,806.32-16,821.36

Finding the Fourth Proportional to 29,571.57, 40,806.32 and 16,821.36

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Solution

The fourth proportional to 29,571.57, 40,806.32 and 16,821.36 is: 23,212.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,571.57 : 40,806.32 = 16,821.36 : x
  2. Step 2: Convert to fraction form
    29,571.57/40,806.32 = 16,821.36/x
  3. Step 3: Cross multiply
    29,571.57x = 40,806.32 × 16,821.36
  4. Step 4: Simplify right side
    29,571.57x = 686,417,714.89
  5. Step 5: Solve for x
    x = 686,417,714.89/29,571.57
  6. Step 6: Final answer
    x = 23,212.08

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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.