Home / 36,653.49-54,996.63-21,071.12

Finding the Fourth Proportional to 36,653.49, 54,996.63 and 21,071.12

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Solution

The fourth proportional to 36,653.49, 54,996.63 and 21,071.12 is: 31,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,653.49 : 54,996.63 = 21,071.12 : x
  2. Step 2: Convert to fraction form
    36,653.49/54,996.63 = 21,071.12/x
  3. Step 3: Cross multiply
    36,653.49x = 54,996.63 × 21,071.12
  4. Step 4: Simplify right side
    36,653.49x = 1,158,840,315.34
  5. Step 5: Solve for x
    x = 1,158,840,315.34/36,653.49
  6. Step 6: Final answer
    x = 31,616.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.