Home / 30,269.63-45,403.94-13,617.88

Finding the Fourth Proportional to 30,269.63, 45,403.94 and 13,617.88

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Solution

The fourth proportional to 30,269.63, 45,403.94 and 13,617.88 is: 20,426.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,269.63 : 45,403.94 = 13,617.88 : x
  2. Step 2: Convert to fraction form
    30,269.63/45,403.94 = 13,617.88/x
  3. Step 3: Cross multiply
    30,269.63x = 45,403.94 × 13,617.88
  4. Step 4: Simplify right side
    30,269.63x = 618,305,326.98
  5. Step 5: Solve for x
    x = 618,305,326.98/30,269.63
  6. Step 6: Final answer
    x = 20,426.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.