Home / 30,907.97-42,653.03-16,760.82

Finding the Fourth Proportional to 30,907.97, 42,653.03 and 16,760.82

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Solution

The fourth proportional to 30,907.97, 42,653.03 and 16,760.82 is: 23,129.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,907.97 : 42,653.03 = 16,760.82 : x
  2. Step 2: Convert to fraction form
    30,907.97/42,653.03 = 16,760.82/x
  3. Step 3: Cross multiply
    30,907.97x = 42,653.03 × 16,760.82
  4. Step 4: Simplify right side
    30,907.97x = 714,899,758.28
  5. Step 5: Solve for x
    x = 714,899,758.28/30,907.97
  6. Step 6: Final answer
    x = 23,129.95

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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.