Home / 29,403.20-40,578.50-16,656.37

Finding the Fourth Proportional to 29,403.20, 40,578.50 and 16,656.37

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Solution

The fourth proportional to 29,403.20, 40,578.50 and 16,656.37 is: 22,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,403.20 : 40,578.50 = 16,656.37 : x
  2. Step 2: Convert to fraction form
    29,403.20/40,578.50 = 16,656.37/x
  3. Step 3: Cross multiply
    29,403.20x = 40,578.50 × 16,656.37
  4. Step 4: Simplify right side
    29,403.20x = 675,890,450.24
  5. Step 5: Solve for x
    x = 675,890,450.24/29,403.20
  6. Step 6: Final answer
    x = 22,986.97

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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.