Home / 57,157.41-79,352.37-55,446.69

Finding the Fourth Proportional to 57,157.41, 79,352.37 and 55,446.69

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Solution

The fourth proportional to 57,157.41, 79,352.37 and 55,446.69 is: 76,977.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,157.41 : 79,352.37 = 55,446.69 : x
  2. Step 2: Convert to fraction form
    57,157.41/79,352.37 = 55,446.69/x
  3. Step 3: Cross multiply
    57,157.41x = 79,352.37 × 55,446.69
  4. Step 4: Simplify right side
    57,157.41x = 4,399,826,260.16
  5. Step 5: Solve for x
    x = 4,399,826,260.16/57,157.41
  6. Step 6: Final answer
    x = 76,977.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.