Home / 57,245.85-78,980.40-34,576.38

Finding the Fourth Proportional to 57,245.85, 78,980.40 and 34,576.38

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Solution

The fourth proportional to 57,245.85, 78,980.40 and 34,576.38 is: 47,704.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,245.85 : 78,980.40 = 34,576.38 : x
  2. Step 2: Convert to fraction form
    57,245.85/78,980.40 = 34,576.38/x
  3. Step 3: Cross multiply
    57,245.85x = 78,980.40 × 34,576.38
  4. Step 4: Simplify right side
    57,245.85x = 2,730,856,322.95
  5. Step 5: Solve for x
    x = 2,730,856,322.95/57,245.85
  6. Step 6: Final answer
    x = 47,704.01

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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.