Home / 54,735.22-75,534.71-30,861.84

Finding the Fourth Proportional to 54,735.22, 75,534.71 and 30,861.84

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Solution

The fourth proportional to 54,735.22, 75,534.71 and 30,861.84 is: 42,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,735.22 : 75,534.71 = 30,861.84 : x
  2. Step 2: Convert to fraction form
    54,735.22/75,534.71 = 30,861.84/x
  3. Step 3: Cross multiply
    54,735.22x = 75,534.71 × 30,861.84
  4. Step 4: Simplify right side
    54,735.22x = 2,331,140,134.47
  5. Step 5: Solve for x
    x = 2,331,140,134.47/54,735.22
  6. Step 6: Final answer
    x = 42,589.40

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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.