Home / 30,512.96-45,776.75-12,733.73

Finding the Fourth Proportional to 30,512.96, 45,776.75 and 12,733.73

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Solution

The fourth proportional to 30,512.96, 45,776.75 and 12,733.73 is: 19,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,512.96 : 45,776.75 = 12,733.73 : x
  2. Step 2: Convert to fraction form
    30,512.96/45,776.75 = 12,733.73/x
  3. Step 3: Cross multiply
    30,512.96x = 45,776.75 × 12,733.73
  4. Step 4: Simplify right side
    30,512.96x = 582,908,482.23
  5. Step 5: Solve for x
    x = 582,908,482.23/30,512.96
  6. Step 6: Final answer
    x = 19,103.64

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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.