Home / 30,195.25-45,295.10-8,008.13

Finding the Fourth Proportional to 30,195.25, 45,295.10 and 8,008.13

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Solution

The fourth proportional to 30,195.25, 45,295.10 and 8,008.13 is: 12,012.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.25 : 45,295.10 = 8,008.13 : x
  2. Step 2: Convert to fraction form
    30,195.25/45,295.10 = 8,008.13/x
  3. Step 3: Cross multiply
    30,195.25x = 45,295.10 × 8,008.13
  4. Step 4: Simplify right side
    30,195.25x = 362,729,152.39
  5. Step 5: Solve for x
    x = 362,729,152.39/30,195.25
  6. Step 6: Final answer
    x = 12,012.79

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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.