Home / 65,867.28-98,800.98-30,831.54

Finding the Fourth Proportional to 65,867.28, 98,800.98 and 30,831.54

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Solution

The fourth proportional to 65,867.28, 98,800.98 and 30,831.54 is: 46,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,867.28 : 98,800.98 = 30,831.54 : x
  2. Step 2: Convert to fraction form
    65,867.28/98,800.98 = 30,831.54/x
  3. Step 3: Cross multiply
    65,867.28x = 98,800.98 × 30,831.54
  4. Step 4: Simplify right side
    65,867.28x = 3,046,186,366.91
  5. Step 5: Solve for x
    x = 3,046,186,366.91/65,867.28
  6. Step 6: Final answer
    x = 46,247.34

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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.