Home / 54,821.56-75,649.53-30,950.59

Finding the Fourth Proportional to 54,821.56, 75,649.53 and 30,950.59

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Solution

The fourth proportional to 54,821.56, 75,649.53 and 30,950.59 is: 42,709.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,821.56 : 75,649.53 = 30,950.59 : x
  2. Step 2: Convert to fraction form
    54,821.56/75,649.53 = 30,950.59/x
  3. Step 3: Cross multiply
    54,821.56x = 75,649.53 × 30,950.59
  4. Step 4: Simplify right side
    54,821.56x = 2,341,397,586.72
  5. Step 5: Solve for x
    x = 2,341,397,586.72/54,821.56
  6. Step 6: Final answer
    x = 42,709.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.