Home / 39,145.80-58,702.26-12,836.04

Finding the Fourth Proportional to 39,145.80, 58,702.26 and 12,836.04

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Solution

The fourth proportional to 39,145.80, 58,702.26 and 12,836.04 is: 19,248.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,145.80 : 58,702.26 = 12,836.04 : x
  2. Step 2: Convert to fraction form
    39,145.80/58,702.26 = 12,836.04/x
  3. Step 3: Cross multiply
    39,145.80x = 58,702.26 × 12,836.04
  4. Step 4: Simplify right side
    39,145.80x = 753,504,557.45
  5. Step 5: Solve for x
    x = 753,504,557.45/39,145.80
  6. Step 6: Final answer
    x = 19,248.67

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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.