Home / 57,645.32-79,568.27-33,779.68

Finding the Fourth Proportional to 57,645.32, 79,568.27 and 33,779.68

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Solution

The fourth proportional to 57,645.32, 79,568.27 and 33,779.68 is: 46,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,645.32 : 79,568.27 = 33,779.68 : x
  2. Step 2: Convert to fraction form
    57,645.32/79,568.27 = 33,779.68/x
  3. Step 3: Cross multiply
    57,645.32x = 79,568.27 × 33,779.68
  4. Step 4: Simplify right side
    57,645.32x = 2,687,790,529.86
  5. Step 5: Solve for x
    x = 2,687,790,529.86/57,645.32
  6. Step 6: Final answer
    x = 46,626.35

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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.