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Finding the Fourth Proportional to 43,765.99, 65,648.98 and 34,959.67

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Solution

The fourth proportional to 43,765.99, 65,648.98 and 34,959.67 is: 52,439.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,765.99 : 65,648.98 = 34,959.67 : x
  2. Step 2: Convert to fraction form
    43,765.99/65,648.98 = 34,959.67/x
  3. Step 3: Cross multiply
    43,765.99x = 65,648.98 × 34,959.67
  4. Step 4: Simplify right side
    43,765.99x = 2,295,066,348.39
  5. Step 5: Solve for x
    x = 2,295,066,348.39/43,765.99
  6. Step 6: Final answer
    x = 52,439.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.