Home / 34,039.80-51,098.10-20,196.60

Finding the Fourth Proportional to 34,039.80, 51,098.10 and 20,196.60

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Solution

The fourth proportional to 34,039.80, 51,098.10 and 20,196.60 is: 30,317.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,039.80 : 51,098.10 = 20,196.60 : x
  2. Step 2: Convert to fraction form
    34,039.80/51,098.10 = 20,196.60/x
  3. Step 3: Cross multiply
    34,039.80x = 51,098.10 × 20,196.60
  4. Step 4: Simplify right side
    34,039.80x = 1,032,007,886.46
  5. Step 5: Solve for x
    x = 1,032,007,886.46/34,039.80
  6. Step 6: Final answer
    x = 30,317.68

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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.