Home / 38,153.67-52,655.19-21,163.26

Finding the Fourth Proportional to 38,153.67, 52,655.19 and 21,163.26

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Solution

The fourth proportional to 38,153.67, 52,655.19 and 21,163.26 is: 29,207.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,153.67 : 52,655.19 = 21,163.26 : x
  2. Step 2: Convert to fraction form
    38,153.67/52,655.19 = 21,163.26/x
  3. Step 3: Cross multiply
    38,153.67x = 52,655.19 × 21,163.26
  4. Step 4: Simplify right side
    38,153.67x = 1,114,355,476.32
  5. Step 5: Solve for x
    x = 1,114,355,476.32/38,153.67
  6. Step 6: Final answer
    x = 29,207.03

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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.