Home / 39,131.08-58,696.38-12,835.64

Finding the Fourth Proportional to 39,131.08, 58,696.38 and 12,835.64

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Solution

The fourth proportional to 39,131.08, 58,696.38 and 12,835.64 is: 19,253.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,131.08 : 58,696.38 = 12,835.64 : x
  2. Step 2: Convert to fraction form
    39,131.08/58,696.38 = 12,835.64/x
  3. Step 3: Cross multiply
    39,131.08x = 58,696.38 × 12,835.64
  4. Step 4: Simplify right side
    39,131.08x = 753,405,602.98
  5. Step 5: Solve for x
    x = 753,405,602.98/39,131.08
  6. Step 6: Final answer
    x = 19,253.38

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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.