Home / 30,399.30-41,951.34-17,653.32

Finding the Fourth Proportional to 30,399.30, 41,951.34 and 17,653.32

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Solution

The fourth proportional to 30,399.30, 41,951.34 and 17,653.32 is: 24,361.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,399.30 : 41,951.34 = 17,653.32 : x
  2. Step 2: Convert to fraction form
    30,399.30/41,951.34 = 17,653.32/x
  3. Step 3: Cross multiply
    30,399.30x = 41,951.34 × 17,653.32
  4. Step 4: Simplify right side
    30,399.30x = 740,580,429.45
  5. Step 5: Solve for x
    x = 740,580,429.45/30,399.30
  6. Step 6: Final answer
    x = 24,361.76

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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.