Home / 30,196.90-45,313.17-11,492.69

Finding the Fourth Proportional to 30,196.90, 45,313.17 and 11,492.69

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Solution

The fourth proportional to 30,196.90, 45,313.17 and 11,492.69 is: 17,245.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,196.90 : 45,313.17 = 11,492.69 : x
  2. Step 2: Convert to fraction form
    30,196.90/45,313.17 = 11,492.69/x
  3. Step 3: Cross multiply
    30,196.90x = 45,313.17 × 11,492.69
  4. Step 4: Simplify right side
    30,196.90x = 520,770,010.71
  5. Step 5: Solve for x
    x = 520,770,010.71/30,196.90
  6. Step 6: Final answer
    x = 17,245.81

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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.