Home / 30,698.82-42,361.16-17,268.93

Finding the Fourth Proportional to 30,698.82, 42,361.16 and 17,268.93

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Solution

The fourth proportional to 30,698.82, 42,361.16 and 17,268.93 is: 23,829.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,698.82 : 42,361.16 = 17,268.93 : x
  2. Step 2: Convert to fraction form
    30,698.82/42,361.16 = 17,268.93/x
  3. Step 3: Cross multiply
    30,698.82x = 42,361.16 × 17,268.93
  4. Step 4: Simplify right side
    30,698.82x = 731,531,901.05
  5. Step 5: Solve for x
    x = 731,531,901.05/30,698.82
  6. Step 6: Final answer
    x = 23,829.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.