Home / 30,206.64-41,686.56-16,777.98

Finding the Fourth Proportional to 30,206.64, 41,686.56 and 16,777.98

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Solution

The fourth proportional to 30,206.64, 41,686.56 and 16,777.98 is: 23,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,206.64 : 41,686.56 = 16,777.98 : x
  2. Step 2: Convert to fraction form
    30,206.64/41,686.56 = 16,777.98/x
  3. Step 3: Cross multiply
    30,206.64x = 41,686.56 × 16,777.98
  4. Step 4: Simplify right side
    30,206.64x = 699,416,269.95
  5. Step 5: Solve for x
    x = 699,416,269.95/30,206.64
  6. Step 6: Final answer
    x = 23,154.39

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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.