Home / 57,427.29-79,245.74-34,778.85

Finding the Fourth Proportional to 57,427.29, 79,245.74 and 34,778.85

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Solution

The fourth proportional to 57,427.29, 79,245.74 and 34,778.85 is: 47,992.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,427.29 : 79,245.74 = 34,778.85 : x
  2. Step 2: Convert to fraction form
    57,427.29/79,245.74 = 34,778.85/x
  3. Step 3: Cross multiply
    57,427.29x = 79,245.74 × 34,778.85
  4. Step 4: Simplify right side
    57,427.29x = 2,756,075,530.70
  5. Step 5: Solve for x
    x = 2,756,075,530.70/57,427.29
  6. Step 6: Final answer
    x = 47,992.44

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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.