Home / 39,504.08-59,256-13,202.80

Finding the Fourth Proportional to 39,504.08, 59,256 and 13,202.80

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Solution

The fourth proportional to 39,504.08, 59,256 and 13,202.80 is: 19,804.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,504.08 : 59,256 = 13,202.80 : x
  2. Step 2: Convert to fraction form
    39,504.08/59,256 = 13,202.80/x
  3. Step 3: Cross multiply
    39,504.08x = 59,256 × 13,202.80
  4. Step 4: Simplify right side
    39,504.08x = 782,345,116.80
  5. Step 5: Solve for x
    x = 782,345,116.80/39,504.08
  6. Step 6: Final answer
    x = 19,804.16

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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.