Home / 30,803.33-42,509.21-17,371.95

Finding the Fourth Proportional to 30,803.33, 42,509.21 and 17,371.95

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Solution

The fourth proportional to 30,803.33, 42,509.21 and 17,371.95 is: 23,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,803.33 : 42,509.21 = 17,371.95 : x
  2. Step 2: Convert to fraction form
    30,803.33/42,509.21 = 17,371.95/x
  3. Step 3: Cross multiply
    30,803.33x = 42,509.21 × 17,371.95
  4. Step 4: Simplify right side
    30,803.33x = 738,467,783.80
  5. Step 5: Solve for x
    x = 738,467,783.80/30,803.33
  6. Step 6: Final answer
    x = 23,973.64

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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.