Home / 38,157.57-52,660.10-21,163.36

Finding the Fourth Proportional to 38,157.57, 52,660.10 and 21,163.36

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Solution

The fourth proportional to 38,157.57, 52,660.10 and 21,163.36 is: 29,206.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,157.57 : 52,660.10 = 21,163.36 : x
  2. Step 2: Convert to fraction form
    38,157.57/52,660.10 = 21,163.36/x
  3. Step 3: Cross multiply
    38,157.57x = 52,660.10 × 21,163.36
  4. Step 4: Simplify right side
    38,157.57x = 1,114,464,653.94
  5. Step 5: Solve for x
    x = 1,114,464,653.94/38,157.57
  6. Step 6: Final answer
    x = 29,206.91

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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.