Home / 30,767.52-46,185.84-20,399.52

Finding the Fourth Proportional to 30,767.52, 46,185.84 and 20,399.52

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Solution

The fourth proportional to 30,767.52, 46,185.84 and 20,399.52 is: 30,622.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,767.52 : 46,185.84 = 20,399.52 : x
  2. Step 2: Convert to fraction form
    30,767.52/46,185.84 = 20,399.52/x
  3. Step 3: Cross multiply
    30,767.52x = 46,185.84 × 20,399.52
  4. Step 4: Simplify right side
    30,767.52x = 942,168,966.80
  5. Step 5: Solve for x
    x = 942,168,966.80/30,767.52
  6. Step 6: Final answer
    x = 30,622.19

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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.