Home / 35,680.19-49,238.66-19,765.67

Finding the Fourth Proportional to 35,680.19, 49,238.66 and 19,765.67

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Solution

The fourth proportional to 35,680.19, 49,238.66 and 19,765.67 is: 27,276.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,680.19 : 49,238.66 = 19,765.67 : x
  2. Step 2: Convert to fraction form
    35,680.19/49,238.66 = 19,765.67/x
  3. Step 3: Cross multiply
    35,680.19x = 49,238.66 × 19,765.67
  4. Step 4: Simplify right side
    35,680.19x = 973,235,104.80
  5. Step 5: Solve for x
    x = 973,235,104.80/35,680.19
  6. Step 6: Final answer
    x = 27,276.62

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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.