Home / 38,157.19-52,657.07-21,163.02

Finding the Fourth Proportional to 38,157.19, 52,657.07 and 21,163.02

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Solution

The fourth proportional to 38,157.19, 52,657.07 and 21,163.02 is: 29,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,157.19 : 52,657.07 = 21,163.02 : x
  2. Step 2: Convert to fraction form
    38,157.19/52,657.07 = 21,163.02/x
  3. Step 3: Cross multiply
    38,157.19x = 52,657.07 × 21,163.02
  4. Step 4: Simplify right side
    38,157.19x = 1,114,382,362.27
  5. Step 5: Solve for x
    x = 1,114,382,362.27/38,157.19
  6. Step 6: Final answer
    x = 29,205.05

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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.