Home / 39,459.60-59,198.32-13,165.36

Finding the Fourth Proportional to 39,459.60, 59,198.32 and 13,165.36

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Solution

The fourth proportional to 39,459.60, 59,198.32 and 13,165.36 is: 19,751.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,459.60 : 59,198.32 = 13,165.36 : x
  2. Step 2: Convert to fraction form
    39,459.60/59,198.32 = 13,165.36/x
  3. Step 3: Cross multiply
    39,459.60x = 59,198.32 × 13,165.36
  4. Step 4: Simplify right side
    39,459.60x = 779,367,194.20
  5. Step 5: Solve for x
    x = 779,367,194.20/39,459.60
  6. Step 6: Final answer
    x = 19,751.02

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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.