Home / 39,006.30-58,515.52-12,704.92

Finding the Fourth Proportional to 39,006.30, 58,515.52 and 12,704.92

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Solution

The fourth proportional to 39,006.30, 58,515.52 and 12,704.92 is: 19,059.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,006.30 : 58,515.52 = 12,704.92 : x
  2. Step 2: Convert to fraction form
    39,006.30/58,515.52 = 12,704.92/x
  3. Step 3: Cross multiply
    39,006.30x = 58,515.52 × 12,704.92
  4. Step 4: Simplify right side
    39,006.30x = 743,435,000.36
  5. Step 5: Solve for x
    x = 743,435,000.36/39,006.30
  6. Step 6: Final answer
    x = 19,059.36

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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.