Home / 39,309.92-58,969.44-13,031.36

Finding the Fourth Proportional to 39,309.92, 58,969.44 and 13,031.36

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Solution

The fourth proportional to 39,309.92, 58,969.44 and 13,031.36 is: 19,548.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,309.92 : 58,969.44 = 13,031.36 : x
  2. Step 2: Convert to fraction form
    39,309.92/58,969.44 = 13,031.36/x
  3. Step 3: Cross multiply
    39,309.92x = 58,969.44 × 13,031.36
  4. Step 4: Simplify right side
    39,309.92x = 768,452,001.64
  5. Step 5: Solve for x
    x = 768,452,001.64/39,309.92
  6. Step 6: Final answer
    x = 19,548.55

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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.