Home / 29,169.68-43,688.84-20,443.56

Finding the Fourth Proportional to 29,169.68, 43,688.84 and 20,443.56

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Solution

The fourth proportional to 29,169.68, 43,688.84 and 20,443.56 is: 30,619.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,169.68 : 43,688.84 = 20,443.56 : x
  2. Step 2: Convert to fraction form
    29,169.68/43,688.84 = 20,443.56/x
  3. Step 3: Cross multiply
    29,169.68x = 43,688.84 × 20,443.56
  4. Step 4: Simplify right side
    29,169.68x = 893,155,421.87
  5. Step 5: Solve for x
    x = 893,155,421.87/29,169.68
  6. Step 6: Final answer
    x = 30,619.31

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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.