Home / 30,347-41,878.44-16,919.36

Finding the Fourth Proportional to 30,347, 41,878.44 and 16,919.36

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Solution

The fourth proportional to 30,347, 41,878.44 and 16,919.36 is: 23,348.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347 : 41,878.44 = 16,919.36 : x
  2. Step 2: Convert to fraction form
    30,347/41,878.44 = 16,919.36/x
  3. Step 3: Cross multiply
    30,347x = 41,878.44 × 16,919.36
  4. Step 4: Simplify right side
    30,347x = 708,556,402.60
  5. Step 5: Solve for x
    x = 708,556,402.60/30,347
  6. Step 6: Final answer
    x = 23,348.48

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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.