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Finding the Fourth Proportional to 39,446.40, 59,169.60 and 30,633.60

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Solution

The fourth proportional to 39,446.40, 59,169.60 and 30,633.60 is: 45,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,446.40 : 59,169.60 = 30,633.60 : x
  2. Step 2: Convert to fraction form
    39,446.40/59,169.60 = 30,633.60/x
  3. Step 3: Cross multiply
    39,446.40x = 59,169.60 × 30,633.60
  4. Step 4: Simplify right side
    39,446.40x = 1,812,577,858.56
  5. Step 5: Solve for x
    x = 1,812,577,858.56/39,446.40
  6. Step 6: Final answer
    x = 45,950.40

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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.