Home / 30,205.60-41,684.79-16,777.11

Finding the Fourth Proportional to 30,205.60, 41,684.79 and 16,777.11

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Solution

The fourth proportional to 30,205.60, 41,684.79 and 16,777.11 is: 23,153.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,205.60 : 41,684.79 = 16,777.11 : x
  2. Step 2: Convert to fraction form
    30,205.60/41,684.79 = 16,777.11/x
  3. Step 3: Cross multiply
    30,205.60x = 41,684.79 × 16,777.11
  4. Step 4: Simplify right side
    30,205.60x = 699,350,307.16
  5. Step 5: Solve for x
    x = 699,350,307.16/30,205.60
  6. Step 6: Final answer
    x = 23,153.00

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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.