Home / 30,764.73-42,455.31-16,617.57

Finding the Fourth Proportional to 30,764.73, 42,455.31 and 16,617.57

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Solution

The fourth proportional to 30,764.73, 42,455.31 and 16,617.57 is: 22,932.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,764.73 : 42,455.31 = 16,617.57 : x
  2. Step 2: Convert to fraction form
    30,764.73/42,455.31 = 16,617.57/x
  3. Step 3: Cross multiply
    30,764.73x = 42,455.31 × 16,617.57
  4. Step 4: Simplify right side
    30,764.73x = 705,504,085.80
  5. Step 5: Solve for x
    x = 705,504,085.80/30,764.73
  6. Step 6: Final answer
    x = 22,932.24

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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.