Home / 39,911.56-59,871.97-13,259.93

Finding the Fourth Proportional to 39,911.56, 59,871.97 and 13,259.93

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Solution

The fourth proportional to 39,911.56, 59,871.97 and 13,259.93 is: 19,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.56 : 59,871.97 = 13,259.93 : x
  2. Step 2: Convert to fraction form
    39,911.56/59,871.97 = 13,259.93/x
  3. Step 3: Cross multiply
    39,911.56x = 59,871.97 × 13,259.93
  4. Step 4: Simplify right side
    39,911.56x = 793,897,831.80
  5. Step 5: Solve for x
    x = 793,897,831.80/39,911.56
  6. Step 6: Final answer
    x = 19,891.43

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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.