Home / 30,944.76-42,703.82-16,797.60

Finding the Fourth Proportional to 30,944.76, 42,703.82 and 16,797.60

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Solution

The fourth proportional to 30,944.76, 42,703.82 and 16,797.60 is: 23,180.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,944.76 : 42,703.82 = 16,797.60 : x
  2. Step 2: Convert to fraction form
    30,944.76/42,703.82 = 16,797.60/x
  3. Step 3: Cross multiply
    30,944.76x = 42,703.82 × 16,797.60
  4. Step 4: Simplify right side
    30,944.76x = 717,321,686.83
  5. Step 5: Solve for x
    x = 717,321,686.83/30,944.76
  6. Step 6: Final answer
    x = 23,180.72

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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.