Home / 30,103.40-41,543.84-16,674.37

Finding the Fourth Proportional to 30,103.40, 41,543.84 and 16,674.37

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Solution

The fourth proportional to 30,103.40, 41,543.84 and 16,674.37 is: 23,011.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,103.40 : 41,543.84 = 16,674.37 : x
  2. Step 2: Convert to fraction form
    30,103.40/41,543.84 = 16,674.37/x
  3. Step 3: Cross multiply
    30,103.40x = 41,543.84 × 16,674.37
  4. Step 4: Simplify right side
    30,103.40x = 692,717,297.21
  5. Step 5: Solve for x
    x = 692,717,297.21/30,103.40
  6. Step 6: Final answer
    x = 23,011.26

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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.