Home / 50,283.74-75,435.35-19,116.56

Finding the Fourth Proportional to 50,283.74, 75,435.35 and 19,116.56

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Solution

The fourth proportional to 50,283.74, 75,435.35 and 19,116.56 is: 28,678.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,283.74 : 75,435.35 = 19,116.56 : x
  2. Step 2: Convert to fraction form
    50,283.74/75,435.35 = 19,116.56/x
  3. Step 3: Cross multiply
    50,283.74x = 75,435.35 × 19,116.56
  4. Step 4: Simplify right side
    50,283.74x = 1,442,064,487.40
  5. Step 5: Solve for x
    x = 1,442,064,487.40/50,283.74
  6. Step 6: Final answer
    x = 28,678.54

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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.