Home / 30,980.44-42,752.91-16,833.34

Finding the Fourth Proportional to 30,980.44, 42,752.91 and 16,833.34

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Solution

The fourth proportional to 30,980.44, 42,752.91 and 16,833.34 is: 23,229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,980.44 : 42,752.91 = 16,833.34 : x
  2. Step 2: Convert to fraction form
    30,980.44/42,752.91 = 16,833.34/x
  3. Step 3: Cross multiply
    30,980.44x = 42,752.91 × 16,833.34
  4. Step 4: Simplify right side
    30,980.44x = 719,674,270.02
  5. Step 5: Solve for x
    x = 719,674,270.02/30,980.44
  6. Step 6: Final answer
    x = 23,229.96

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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.