Home / 39,917.70-59,881.19-13,266.09

Finding the Fourth Proportional to 39,917.70, 59,881.19 and 13,266.09

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Solution

The fourth proportional to 39,917.70, 59,881.19 and 13,266.09 is: 19,900.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917.70 : 59,881.19 = 13,266.09 : x
  2. Step 2: Convert to fraction form
    39,917.70/59,881.19 = 13,266.09/x
  3. Step 3: Cross multiply
    39,917.70x = 59,881.19 × 13,266.09
  4. Step 4: Simplify right side
    39,917.70x = 794,389,189.52
  5. Step 5: Solve for x
    x = 794,389,189.52/39,917.70
  6. Step 6: Final answer
    x = 19,900.68

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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.