Home / 30,454.05-45,674.79-11,727.66

Finding the Fourth Proportional to 30,454.05, 45,674.79 and 11,727.66

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Solution

The fourth proportional to 30,454.05, 45,674.79 and 11,727.66 is: 17,589.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,454.05 : 45,674.79 = 11,727.66 : x
  2. Step 2: Convert to fraction form
    30,454.05/45,674.79 = 11,727.66/x
  3. Step 3: Cross multiply
    30,454.05x = 45,674.79 × 11,727.66
  4. Step 4: Simplify right side
    30,454.05x = 535,658,407.69
  5. Step 5: Solve for x
    x = 535,658,407.69/30,454.05
  6. Step 6: Final answer
    x = 17,589.07

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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.