Home / 50,270.74-75,406.05-12,830.81

Finding the Fourth Proportional to 50,270.74, 75,406.05 and 12,830.81

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Solution

The fourth proportional to 50,270.74, 75,406.05 and 12,830.81 is: 19,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,270.74 : 75,406.05 = 12,830.81 : x
  2. Step 2: Convert to fraction form
    50,270.74/75,406.05 = 12,830.81/x
  3. Step 3: Cross multiply
    50,270.74x = 75,406.05 × 12,830.81
  4. Step 4: Simplify right side
    50,270.74x = 967,520,923.52
  5. Step 5: Solve for x
    x = 967,520,923.52/50,270.74
  6. Step 6: Final answer
    x = 19,246.20

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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.