Home / 39,002.09-58,467.23-21,206.75

Finding the Fourth Proportional to 39,002.09, 58,467.23 and 21,206.75

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Solution

The fourth proportional to 39,002.09, 58,467.23 and 21,206.75 is: 31,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,002.09 : 58,467.23 = 21,206.75 : x
  2. Step 2: Convert to fraction form
    39,002.09/58,467.23 = 21,206.75/x
  3. Step 3: Cross multiply
    39,002.09x = 58,467.23 × 21,206.75
  4. Step 4: Simplify right side
    39,002.09x = 1,239,899,730.25
  5. Step 5: Solve for x
    x = 1,239,899,730.25/39,002.09
  6. Step 6: Final answer
    x = 31,790.60

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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.