Home / 38,346.71-57,491.36-25,831.61

Finding the Fourth Proportional to 38,346.71, 57,491.36 and 25,831.61

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Solution

The fourth proportional to 38,346.71, 57,491.36 and 25,831.61 is: 38,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,346.71 : 57,491.36 = 25,831.61 : x
  2. Step 2: Convert to fraction form
    38,346.71/57,491.36 = 25,831.61/x
  3. Step 3: Cross multiply
    38,346.71x = 57,491.36 × 25,831.61
  4. Step 4: Simplify right side
    38,346.71x = 1,485,093,973.27
  5. Step 5: Solve for x
    x = 1,485,093,973.27/38,346.71
  6. Step 6: Final answer
    x = 38,728.07

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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.