Home / 30,169.48-41,652.78-19,433.02

Finding the Fourth Proportional to 30,169.48, 41,652.78 and 19,433.02

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Solution

The fourth proportional to 30,169.48, 41,652.78 and 19,433.02 is: 26,829.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,169.48 : 41,652.78 = 19,433.02 : x
  2. Step 2: Convert to fraction form
    30,169.48/41,652.78 = 19,433.02/x
  3. Step 3: Cross multiply
    30,169.48x = 41,652.78 × 19,433.02
  4. Step 4: Simplify right side
    30,169.48x = 809,439,306.80
  5. Step 5: Solve for x
    x = 809,439,306.80/30,169.48
  6. Step 6: Final answer
    x = 26,829.74

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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.