Home / 30,839.41-42,558.75-18,092.81

Finding the Fourth Proportional to 30,839.41, 42,558.75 and 18,092.81

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Solution

The fourth proportional to 30,839.41, 42,558.75 and 18,092.81 is: 24,968.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,839.41 : 42,558.75 = 18,092.81 : x
  2. Step 2: Convert to fraction form
    30,839.41/42,558.75 = 18,092.81/x
  3. Step 3: Cross multiply
    30,839.41x = 42,558.75 × 18,092.81
  4. Step 4: Simplify right side
    30,839.41x = 770,007,377.59
  5. Step 5: Solve for x
    x = 770,007,377.59/30,839.41
  6. Step 6: Final answer
    x = 24,968.29

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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.