Home / 40,831.70-61,223.71-15,842.57

Finding the Fourth Proportional to 40,831.70, 61,223.71 and 15,842.57

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Solution

The fourth proportional to 40,831.70, 61,223.71 and 15,842.57 is: 23,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,831.70 : 61,223.71 = 15,842.57 : x
  2. Step 2: Convert to fraction form
    40,831.70/61,223.71 = 15,842.57/x
  3. Step 3: Cross multiply
    40,831.70x = 61,223.71 × 15,842.57
  4. Step 4: Simplify right side
    40,831.70x = 969,940,664.18
  5. Step 5: Solve for x
    x = 969,940,664.18/40,831.70
  6. Step 6: Final answer
    x = 23,754.60

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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.