Home / 30,257.16-45,392.22-12,716.88

Finding the Fourth Proportional to 30,257.16, 45,392.22 and 12,716.88

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Solution

The fourth proportional to 30,257.16, 45,392.22 and 12,716.88 is: 19,078.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,257.16 : 45,392.22 = 12,716.88 : x
  2. Step 2: Convert to fraction form
    30,257.16/45,392.22 = 12,716.88/x
  3. Step 3: Cross multiply
    30,257.16x = 45,392.22 × 12,716.88
  4. Step 4: Simplify right side
    30,257.16x = 577,247,414.67
  5. Step 5: Solve for x
    x = 577,247,414.67/30,257.16
  6. Step 6: Final answer
    x = 19,078.04

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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.