Home / 55,137.90-82,715.50-23,548.12

Finding the Fourth Proportional to 55,137.90, 82,715.50 and 23,548.12

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Solution

The fourth proportional to 55,137.90, 82,715.50 and 23,548.12 is: 35,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,137.90 : 82,715.50 = 23,548.12 : x
  2. Step 2: Convert to fraction form
    55,137.90/82,715.50 = 23,548.12/x
  3. Step 3: Cross multiply
    55,137.90x = 82,715.50 × 23,548.12
  4. Step 4: Simplify right side
    55,137.90x = 1,947,794,519.86
  5. Step 5: Solve for x
    x = 1,947,794,519.86/55,137.90
  6. Step 6: Final answer
    x = 35,325.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.