Home / 30,687.26-42,346.60-17,074.94

Finding the Fourth Proportional to 30,687.26, 42,346.60 and 17,074.94

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Solution

The fourth proportional to 30,687.26, 42,346.60 and 17,074.94 is: 23,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,687.26 : 42,346.60 = 17,074.94 : x
  2. Step 2: Convert to fraction form
    30,687.26/42,346.60 = 17,074.94/x
  3. Step 3: Cross multiply
    30,687.26x = 42,346.60 × 17,074.94
  4. Step 4: Simplify right side
    30,687.26x = 723,065,399.78
  5. Step 5: Solve for x
    x = 723,065,399.78/30,687.26
  6. Step 6: Final answer
    x = 23,562.40

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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.