Home / 49,124.90-73,715.92-20,659.80

Finding the Fourth Proportional to 49,124.90, 73,715.92 and 20,659.80

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Solution

The fourth proportional to 49,124.90, 73,715.92 and 20,659.80 is: 31,001.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,124.90 : 73,715.92 = 20,659.80 : x
  2. Step 2: Convert to fraction form
    49,124.90/73,715.92 = 20,659.80/x
  3. Step 3: Cross multiply
    49,124.90x = 73,715.92 × 20,659.80
  4. Step 4: Simplify right side
    49,124.90x = 1,522,956,164.02
  5. Step 5: Solve for x
    x = 1,522,956,164.02/49,124.90
  6. Step 6: Final answer
    x = 31,001.72

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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.