Home / 39,911.03-59,871.17-13,259.39

Finding the Fourth Proportional to 39,911.03, 59,871.17 and 13,259.39

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Solution

The fourth proportional to 39,911.03, 59,871.17 and 13,259.39 is: 19,890.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.03 : 59,871.17 = 13,259.39 : x
  2. Step 2: Convert to fraction form
    39,911.03/59,871.17 = 13,259.39/x
  3. Step 3: Cross multiply
    39,911.03x = 59,871.17 × 13,259.39
  4. Step 4: Simplify right side
    39,911.03x = 793,855,413.10
  5. Step 5: Solve for x
    x = 793,855,413.10/39,911.03
  6. Step 6: Final answer
    x = 19,890.63

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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.