Home / 37,996.12-52,433.01-20,999.48

Finding the Fourth Proportional to 37,996.12, 52,433.01 and 20,999.48

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Solution

The fourth proportional to 37,996.12, 52,433.01 and 20,999.48 is: 28,978.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,996.12 : 52,433.01 = 20,999.48 : x
  2. Step 2: Convert to fraction form
    37,996.12/52,433.01 = 20,999.48/x
  3. Step 3: Cross multiply
    37,996.12x = 52,433.01 × 20,999.48
  4. Step 4: Simplify right side
    37,996.12x = 1,101,066,167.71
  5. Step 5: Solve for x
    x = 1,101,066,167.71/37,996.12
  6. Step 6: Final answer
    x = 28,978.39

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Double scale
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Similar ratio
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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.