Home / 30,698.81-42,361.94-17,267.39

Finding the Fourth Proportional to 30,698.81, 42,361.94 and 17,267.39

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Solution

The fourth proportional to 30,698.81, 42,361.94 and 17,267.39 is: 23,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,698.81 : 42,361.94 = 17,267.39 : x
  2. Step 2: Convert to fraction form
    30,698.81/42,361.94 = 17,267.39/x
  3. Step 3: Cross multiply
    30,698.81x = 42,361.94 × 17,267.39
  4. Step 4: Simplify right side
    30,698.81x = 731,480,052.80
  5. Step 5: Solve for x
    x = 731,480,052.80/30,698.81
  6. Step 6: Final answer
    x = 23,827.64

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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.