Home / 39,831.82-59,756.73-13,177.75

Finding the Fourth Proportional to 39,831.82, 59,756.73 and 13,177.75

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Solution

The fourth proportional to 39,831.82, 59,756.73 and 13,177.75 is: 19,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,831.82 : 59,756.73 = 13,177.75 : x
  2. Step 2: Convert to fraction form
    39,831.82/59,756.73 = 13,177.75/x
  3. Step 3: Cross multiply
    39,831.82x = 59,756.73 × 13,177.75
  4. Step 4: Simplify right side
    39,831.82x = 787,459,148.78
  5. Step 5: Solve for x
    x = 787,459,148.78/39,831.82
  6. Step 6: Final answer
    x = 19,769.60

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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.