Home / 32,979.20-49,475.72-10,790.86

Finding the Fourth Proportional to 32,979.20, 49,475.72 and 10,790.86

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Solution

The fourth proportional to 32,979.20, 49,475.72 and 10,790.86 is: 16,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,979.20 : 49,475.72 = 10,790.86 : x
  2. Step 2: Convert to fraction form
    32,979.20/49,475.72 = 10,790.86/x
  3. Step 3: Cross multiply
    32,979.20x = 49,475.72 × 10,790.86
  4. Step 4: Simplify right side
    32,979.20x = 533,885,567.92
  5. Step 5: Solve for x
    x = 533,885,567.92/32,979.20
  6. Step 6: Final answer
    x = 16,188.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.