Home / 37,996.15-52,433.06-20,999.51

Finding the Fourth Proportional to 37,996.15, 52,433.06 and 20,999.51

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Solution

The fourth proportional to 37,996.15, 52,433.06 and 20,999.51 is: 28,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,996.15 : 52,433.06 = 20,999.51 : x
  2. Step 2: Convert to fraction form
    37,996.15/52,433.06 = 20,999.51/x
  3. Step 3: Cross multiply
    37,996.15x = 52,433.06 × 20,999.51
  4. Step 4: Simplify right side
    37,996.15x = 1,101,068,692.20
  5. Step 5: Solve for x
    x = 1,101,068,692.20/37,996.15
  6. Step 6: Final answer
    x = 28,978.43

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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.