Home / 38,186.84-52,704.06-21,425.24

Finding the Fourth Proportional to 38,186.84, 52,704.06 and 21,425.24

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Solution

The fourth proportional to 38,186.84, 52,704.06 and 21,425.24 is: 29,570.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,186.84 : 52,704.06 = 21,425.24 : x
  2. Step 2: Convert to fraction form
    38,186.84/52,704.06 = 21,425.24/x
  3. Step 3: Cross multiply
    38,186.84x = 52,704.06 × 21,425.24
  4. Step 4: Simplify right side
    38,186.84x = 1,129,197,134.47
  5. Step 5: Solve for x
    x = 1,129,197,134.47/38,186.84
  6. Step 6: Final answer
    x = 29,570.32

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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.