Home / 39,908.90-59,869.49-13,607.48

Finding the Fourth Proportional to 39,908.90, 59,869.49 and 13,607.48

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Solution

The fourth proportional to 39,908.90, 59,869.49 and 13,607.48 is: 20,413.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,908.90 : 59,869.49 = 13,607.48 : x
  2. Step 2: Convert to fraction form
    39,908.90/59,869.49 = 13,607.48/x
  3. Step 3: Cross multiply
    39,908.90x = 59,869.49 × 13,607.48
  4. Step 4: Simplify right side
    39,908.90x = 814,673,071.48
  5. Step 5: Solve for x
    x = 814,673,071.48/39,908.90
  6. Step 6: Final answer
    x = 20,413.32

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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.