Home / 37,189.15-51,319.63-20,193.03

Finding the Fourth Proportional to 37,189.15, 51,319.63 and 20,193.03

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Solution

The fourth proportional to 37,189.15, 51,319.63 and 20,193.03 is: 27,865.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,189.15 : 51,319.63 = 20,193.03 : x
  2. Step 2: Convert to fraction form
    37,189.15/51,319.63 = 20,193.03/x
  3. Step 3: Cross multiply
    37,189.15x = 51,319.63 × 20,193.03
  4. Step 4: Simplify right side
    37,189.15x = 1,036,298,652.29
  5. Step 5: Solve for x
    x = 1,036,298,652.29/37,189.15
  6. Step 6: Final answer
    x = 27,865.62

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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.