Home / 57,779.28-79,736.94-32,628.78

Finding the Fourth Proportional to 57,779.28, 79,736.94 and 32,628.78

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Solution

The fourth proportional to 57,779.28, 79,736.94 and 32,628.78 is: 45,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,779.28 : 79,736.94 = 32,628.78 : x
  2. Step 2: Convert to fraction form
    57,779.28/79,736.94 = 32,628.78/x
  3. Step 3: Cross multiply
    57,779.28x = 79,736.94 × 32,628.78
  4. Step 4: Simplify right side
    57,779.28x = 2,601,719,073.13
  5. Step 5: Solve for x
    x = 2,601,719,073.13/57,779.28
  6. Step 6: Final answer
    x = 45,028.58

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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.