Home / 30,403.44-41,952.45-16,972.83

Finding the Fourth Proportional to 30,403.44, 41,952.45 and 16,972.83

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Solution

The fourth proportional to 30,403.44, 41,952.45 and 16,972.83 is: 23,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,403.44 : 41,952.45 = 16,972.83 : x
  2. Step 2: Convert to fraction form
    30,403.44/41,952.45 = 16,972.83/x
  3. Step 3: Cross multiply
    30,403.44x = 41,952.45 × 16,972.83
  4. Step 4: Simplify right side
    30,403.44x = 712,051,801.93
  5. Step 5: Solve for x
    x = 712,051,801.93/30,403.44
  6. Step 6: Final answer
    x = 23,420.11

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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.