Home / 36,548.16-50,431-21,435.12

Finding the Fourth Proportional to 36,548.16, 50,431 and 21,435.12

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Solution

The fourth proportional to 36,548.16, 50,431 and 21,435.12 is: 29,577.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,548.16 : 50,431 = 21,435.12 : x
  2. Step 2: Convert to fraction form
    36,548.16/50,431 = 21,435.12/x
  3. Step 3: Cross multiply
    36,548.16x = 50,431 × 21,435.12
  4. Step 4: Simplify right side
    36,548.16x = 1,080,994,536.72
  5. Step 5: Solve for x
    x = 1,080,994,536.72/36,548.16
  6. Step 6: Final answer
    x = 29,577.26

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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.