Home / 37,086.57-51,178.68-21,170.67

Finding the Fourth Proportional to 37,086.57, 51,178.68 and 21,170.67

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Solution

The fourth proportional to 37,086.57, 51,178.68 and 21,170.67 is: 29,215.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,086.57 : 51,178.68 = 21,170.67 : x
  2. Step 2: Convert to fraction form
    37,086.57/51,178.68 = 21,170.67/x
  3. Step 3: Cross multiply
    37,086.57x = 51,178.68 × 21,170.67
  4. Step 4: Simplify right side
    37,086.57x = 1,083,486,945.32
  5. Step 5: Solve for x
    x = 1,083,486,945.32/37,086.57
  6. Step 6: Final answer
    x = 29,215.08

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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.