Home / 30,850.56-42,571.44-17,419.95

Finding the Fourth Proportional to 30,850.56, 42,571.44 and 17,419.95

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Solution

The fourth proportional to 30,850.56, 42,571.44 and 17,419.95 is: 24,038.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,850.56 : 42,571.44 = 17,419.95 : x
  2. Step 2: Convert to fraction form
    30,850.56/42,571.44 = 17,419.95/x
  3. Step 3: Cross multiply
    30,850.56x = 42,571.44 × 17,419.95
  4. Step 4: Simplify right side
    30,850.56x = 741,592,356.23
  5. Step 5: Solve for x
    x = 741,592,356.23/30,850.56
  6. Step 6: Final answer
    x = 24,038.21

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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.