Home / 43,206.40-64,809.60-13,633.30

Finding the Fourth Proportional to 43,206.40, 64,809.60 and 13,633.30

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Solution

The fourth proportional to 43,206.40, 64,809.60 and 13,633.30 is: 20,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,206.40 : 64,809.60 = 13,633.30 : x
  2. Step 2: Convert to fraction form
    43,206.40/64,809.60 = 13,633.30/x
  3. Step 3: Cross multiply
    43,206.40x = 64,809.60 × 13,633.30
  4. Step 4: Simplify right side
    43,206.40x = 883,568,719.68
  5. Step 5: Solve for x
    x = 883,568,719.68/43,206.40
  6. Step 6: Final answer
    x = 20,449.95

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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.