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Finding the Fourth Proportional to 35,996.82, 53,995.71 and 12,623.94

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Solution

The fourth proportional to 35,996.82, 53,995.71 and 12,623.94 is: 18,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,996.82 : 53,995.71 = 12,623.94 : x
  2. Step 2: Convert to fraction form
    35,996.82/53,995.71 = 12,623.94/x
  3. Step 3: Cross multiply
    35,996.82x = 53,995.71 × 12,623.94
  4. Step 4: Simplify right side
    35,996.82x = 681,638,603.30
  5. Step 5: Solve for x
    x = 681,638,603.30/35,996.82
  6. Step 6: Final answer
    x = 18,936.08

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1.5x scale

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.