Home / 30,630.53-42,268.61-17,202.35

Finding the Fourth Proportional to 30,630.53, 42,268.61 and 17,202.35

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Solution

The fourth proportional to 30,630.53, 42,268.61 and 17,202.35 is: 23,738.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,630.53 : 42,268.61 = 17,202.35 : x
  2. Step 2: Convert to fraction form
    30,630.53/42,268.61 = 17,202.35/x
  3. Step 3: Cross multiply
    30,630.53x = 42,268.61 × 17,202.35
  4. Step 4: Simplify right side
    30,630.53x = 727,119,571.91
  5. Step 5: Solve for x
    x = 727,119,571.91/30,630.53
  6. Step 6: Final answer
    x = 23,738.39

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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.