Home / 36,753.03-55,089.15-18,985.08

Finding the Fourth Proportional to 36,753.03, 55,089.15 and 18,985.08

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Solution

The fourth proportional to 36,753.03, 55,089.15 and 18,985.08 is: 28,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,753.03 : 55,089.15 = 18,985.08 : x
  2. Step 2: Convert to fraction form
    36,753.03/55,089.15 = 18,985.08/x
  3. Step 3: Cross multiply
    36,753.03x = 55,089.15 × 18,985.08
  4. Step 4: Simplify right side
    36,753.03x = 1,045,871,919.88
  5. Step 5: Solve for x
    x = 1,045,871,919.88/36,753.03
  6. Step 6: Final answer
    x = 28,456.75

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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.