Home / 30,192.49-45,290.99-8,005.38

Finding the Fourth Proportional to 30,192.49, 45,290.99 and 8,005.38

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Solution

The fourth proportional to 30,192.49, 45,290.99 and 8,005.38 is: 12,008.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,192.49 : 45,290.99 = 8,005.38 : x
  2. Step 2: Convert to fraction form
    30,192.49/45,290.99 = 8,005.38/x
  3. Step 3: Cross multiply
    30,192.49x = 45,290.99 × 8,005.38
  4. Step 4: Simplify right side
    30,192.49x = 362,571,585.53
  5. Step 5: Solve for x
    x = 362,571,585.53/30,192.49
  6. Step 6: Final answer
    x = 12,008.67

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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.