Home / 30,849.03-42,571.74-16,701.90

Finding the Fourth Proportional to 30,849.03, 42,571.74 and 16,701.90

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Solution

The fourth proportional to 30,849.03, 42,571.74 and 16,701.90 is: 23,048.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,849.03 : 42,571.74 = 16,701.90 : x
  2. Step 2: Convert to fraction form
    30,849.03/42,571.74 = 16,701.90/x
  3. Step 3: Cross multiply
    30,849.03x = 42,571.74 × 16,701.90
  4. Step 4: Simplify right side
    30,849.03x = 711,028,944.31
  5. Step 5: Solve for x
    x = 711,028,944.31/30,849.03
  6. Step 6: Final answer
    x = 23,048.66

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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.