Home / 30,195.40-41,674.56-17,617.72

Finding the Fourth Proportional to 30,195.40, 41,674.56 and 17,617.72

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Solution

The fourth proportional to 30,195.40, 41,674.56 and 17,617.72 is: 24,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.40 : 41,674.56 = 17,617.72 : x
  2. Step 2: Convert to fraction form
    30,195.40/41,674.56 = 17,617.72/x
  3. Step 3: Cross multiply
    30,195.40x = 41,674.56 × 17,617.72
  4. Step 4: Simplify right side
    30,195.40x = 734,210,729.20
  5. Step 5: Solve for x
    x = 734,210,729.20/30,195.40
  6. Step 6: Final answer
    x = 24,315.32

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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.