Home / 43,629.27-65,345.49-20,206.50

Finding the Fourth Proportional to 43,629.27, 65,345.49 and 20,206.50

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Solution

The fourth proportional to 43,629.27, 65,345.49 and 20,206.50 is: 30,264.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,629.27 : 65,345.49 = 20,206.50 : x
  2. Step 2: Convert to fraction form
    43,629.27/65,345.49 = 20,206.50/x
  3. Step 3: Cross multiply
    43,629.27x = 65,345.49 × 20,206.50
  4. Step 4: Simplify right side
    43,629.27x = 1,320,403,643.69
  5. Step 5: Solve for x
    x = 1,320,403,643.69/43,629.27
  6. Step 6: Final answer
    x = 30,264.17

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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.