Home / 39,343.24-59,020.80-13,042

Finding the Fourth Proportional to 39,343.24, 59,020.80 and 13,042

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Solution

The fourth proportional to 39,343.24, 59,020.80 and 13,042 is: 19,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,343.24 : 59,020.80 = 13,042 : x
  2. Step 2: Convert to fraction form
    39,343.24/59,020.80 = 13,042/x
  3. Step 3: Cross multiply
    39,343.24x = 59,020.80 × 13,042
  4. Step 4: Simplify right side
    39,343.24x = 769,749,273.60
  5. Step 5: Solve for x
    x = 769,749,273.60/39,343.24
  6. Step 6: Final answer
    x = 19,564.97

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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.