Home / 35,379.40-53,099.88-18,751.36

Finding the Fourth Proportional to 35,379.40, 53,099.88 and 18,751.36

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Solution

The fourth proportional to 35,379.40, 53,099.88 and 18,751.36 is: 28,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,379.40 : 53,099.88 = 18,751.36 : x
  2. Step 2: Convert to fraction form
    35,379.40/53,099.88 = 18,751.36/x
  3. Step 3: Cross multiply
    35,379.40x = 53,099.88 × 18,751.36
  4. Step 4: Simplify right side
    35,379.40x = 995,694,965.84
  5. Step 5: Solve for x
    x = 995,694,965.84/35,379.40
  6. Step 6: Final answer
    x = 28,143.35

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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.