Home / 30,110.40-41,567.04-20,044.80

Finding the Fourth Proportional to 30,110.40, 41,567.04 and 20,044.80

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Solution

The fourth proportional to 30,110.40, 41,567.04 and 20,044.80 is: 27,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,110.40 : 41,567.04 = 20,044.80 : x
  2. Step 2: Convert to fraction form
    30,110.40/41,567.04 = 20,044.80/x
  3. Step 3: Cross multiply
    30,110.40x = 41,567.04 × 20,044.80
  4. Step 4: Simplify right side
    30,110.40x = 833,203,003.39
  5. Step 5: Solve for x
    x = 833,203,003.39/30,110.40
  6. Step 6: Final answer
    x = 27,671.60

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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.