Home / 30,367.32-45,519.84-11,642.28

Finding the Fourth Proportional to 30,367.32, 45,519.84 and 11,642.28

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Solution

The fourth proportional to 30,367.32, 45,519.84 and 11,642.28 is: 17,451.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,367.32 : 45,519.84 = 11,642.28 : x
  2. Step 2: Convert to fraction form
    30,367.32/45,519.84 = 11,642.28/x
  3. Step 3: Cross multiply
    30,367.32x = 45,519.84 × 11,642.28
  4. Step 4: Simplify right side
    30,367.32x = 529,954,722.84
  5. Step 5: Solve for x
    x = 529,954,722.84/30,367.32
  6. Step 6: Final answer
    x = 17,451.48

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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.