Home / 30,181.90-41,650.22-16,752.76

Finding the Fourth Proportional to 30,181.90, 41,650.22 and 16,752.76

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Solution

The fourth proportional to 30,181.90, 41,650.22 and 16,752.76 is: 23,118.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181.90 : 41,650.22 = 16,752.76 : x
  2. Step 2: Convert to fraction form
    30,181.90/41,650.22 = 16,752.76/x
  3. Step 3: Cross multiply
    30,181.90x = 41,650.22 × 16,752.76
  4. Step 4: Simplify right side
    30,181.90x = 697,756,139.61
  5. Step 5: Solve for x
    x = 697,756,139.61/30,181.90
  6. Step 6: Final answer
    x = 23,118.36

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Half scale
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Double scale
Find fourth proportional to 30,182.90, 41,651.60 and 16,753.76
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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.