Home / 30,337.80-41,866.23-16,911.74

Finding the Fourth Proportional to 30,337.80, 41,866.23 and 16,911.74

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Solution

The fourth proportional to 30,337.80, 41,866.23 and 16,911.74 is: 23,338.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,337.80 : 41,866.23 = 16,911.74 : x
  2. Step 2: Convert to fraction form
    30,337.80/41,866.23 = 16,911.74/x
  3. Step 3: Cross multiply
    30,337.80x = 41,866.23 × 16,911.74
  4. Step 4: Simplify right side
    30,337.80x = 708,030,796.54
  5. Step 5: Solve for x
    x = 708,030,796.54/30,337.80
  6. Step 6: Final answer
    x = 23,338.24

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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.