Home / 37,985.72-56,983.98-11,692.64

Finding the Fourth Proportional to 37,985.72, 56,983.98 and 11,692.64

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Solution

The fourth proportional to 37,985.72, 56,983.98 and 11,692.64 is: 17,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,985.72 : 56,983.98 = 11,692.64 : x
  2. Step 2: Convert to fraction form
    37,985.72/56,983.98 = 11,692.64/x
  3. Step 3: Cross multiply
    37,985.72x = 56,983.98 × 11,692.64
  4. Step 4: Simplify right side
    37,985.72x = 666,293,163.91
  5. Step 5: Solve for x
    x = 666,293,163.91/37,985.72
  6. Step 6: Final answer
    x = 17,540.62

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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.