Home / 50,629.72-75,948.90-13,189.80

Finding the Fourth Proportional to 50,629.72, 75,948.90 and 13,189.80

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Solution

The fourth proportional to 50,629.72, 75,948.90 and 13,189.80 is: 19,785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,629.72 : 75,948.90 = 13,189.80 : x
  2. Step 2: Convert to fraction form
    50,629.72/75,948.90 = 13,189.80/x
  3. Step 3: Cross multiply
    50,629.72x = 75,948.90 × 13,189.80
  4. Step 4: Simplify right side
    50,629.72x = 1,001,750,432.84
  5. Step 5: Solve for x
    x = 1,001,750,432.84/50,629.72
  6. Step 6: Final answer
    x = 19,785.82

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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.