Home / 29,689.77-40,961.70-16,933.78

Finding the Fourth Proportional to 29,689.77, 40,961.70 and 16,933.78

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Solution

The fourth proportional to 29,689.77, 40,961.70 and 16,933.78 is: 23,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,689.77 : 40,961.70 = 16,933.78 : x
  2. Step 2: Convert to fraction form
    29,689.77/40,961.70 = 16,933.78/x
  3. Step 3: Cross multiply
    29,689.77x = 40,961.70 × 16,933.78
  4. Step 4: Simplify right side
    29,689.77x = 693,636,237.02
  5. Step 5: Solve for x
    x = 693,636,237.02/29,689.77
  6. Step 6: Final answer
    x = 23,362.80

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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.