Home / 43,029.71-64,544.61-13,447.70

Finding the Fourth Proportional to 43,029.71, 64,544.61 and 13,447.70

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Solution

The fourth proportional to 43,029.71, 64,544.61 and 13,447.70 is: 20,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,029.71 : 64,544.61 = 13,447.70 : x
  2. Step 2: Convert to fraction form
    43,029.71/64,544.61 = 13,447.70/x
  3. Step 3: Cross multiply
    43,029.71x = 64,544.61 × 13,447.70
  4. Step 4: Simplify right side
    43,029.71x = 867,976,551.90
  5. Step 5: Solve for x
    x = 867,976,551.90/43,029.71
  6. Step 6: Final answer
    x = 20,171.56

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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.