Home / 30,195.32-41,670.05-17,620.07

Finding the Fourth Proportional to 30,195.32, 41,670.05 and 17,620.07

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Solution

The fourth proportional to 30,195.32, 41,670.05 and 17,620.07 is: 24,315.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.32 : 41,670.05 = 17,620.07 : x
  2. Step 2: Convert to fraction form
    30,195.32/41,670.05 = 17,620.07/x
  3. Step 3: Cross multiply
    30,195.32x = 41,670.05 × 17,620.07
  4. Step 4: Simplify right side
    30,195.32x = 734,228,901.45
  5. Step 5: Solve for x
    x = 734,228,901.45/30,195.32
  6. Step 6: Final answer
    x = 24,315.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.