Home / 29,443.86-40,633.95-16,868.64

Finding the Fourth Proportional to 29,443.86, 40,633.95 and 16,868.64

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Solution

The fourth proportional to 29,443.86, 40,633.95 and 16,868.64 is: 23,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,443.86 : 40,633.95 = 16,868.64 : x
  2. Step 2: Convert to fraction form
    29,443.86/40,633.95 = 16,868.64/x
  3. Step 3: Cross multiply
    29,443.86x = 40,633.95 × 16,868.64
  4. Step 4: Simplify right side
    29,443.86x = 685,439,474.33
  5. Step 5: Solve for x
    x = 685,439,474.33/29,443.86
  6. Step 6: Final answer
    x = 23,279.54

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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.