Home / 39,002.90-58,529.55-21,485.30

Finding the Fourth Proportional to 39,002.90, 58,529.55 and 21,485.30

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Solution

The fourth proportional to 39,002.90, 58,529.55 and 21,485.30 is: 32,241.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,002.90 : 58,529.55 = 21,485.30 : x
  2. Step 2: Convert to fraction form
    39,002.90/58,529.55 = 21,485.30/x
  3. Step 3: Cross multiply
    39,002.90x = 58,529.55 × 21,485.30
  4. Step 4: Simplify right side
    39,002.90x = 1,257,524,940.62
  5. Step 5: Solve for x
    x = 1,257,524,940.62/39,002.90
  6. Step 6: Final answer
    x = 32,241.83

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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.