Home / 30,984.46-42,758.44-17,558.28

Finding the Fourth Proportional to 30,984.46, 42,758.44 and 17,558.28

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Solution

The fourth proportional to 30,984.46, 42,758.44 and 17,558.28 is: 24,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,984.46 : 42,758.44 = 17,558.28 : x
  2. Step 2: Convert to fraction form
    30,984.46/42,758.44 = 17,558.28/x
  3. Step 3: Cross multiply
    30,984.46x = 42,758.44 × 17,558.28
  4. Step 4: Simplify right side
    30,984.46x = 750,764,661.88
  5. Step 5: Solve for x
    x = 750,764,661.88/30,984.46
  6. Step 6: Final answer
    x = 24,230.36

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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.