Home / 62,831.28-86,706-34,536.36

Finding the Fourth Proportional to 62,831.28, 86,706 and 34,536.36

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Solution

The fourth proportional to 62,831.28, 86,706 and 34,536.36 is: 47,659.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,831.28 : 86,706 = 34,536.36 : x
  2. Step 2: Convert to fraction form
    62,831.28/86,706 = 34,536.36/x
  3. Step 3: Cross multiply
    62,831.28x = 86,706 × 34,536.36
  4. Step 4: Simplify right side
    62,831.28x = 2,994,509,630.16
  5. Step 5: Solve for x
    x = 2,994,509,630.16/62,831.28
  6. Step 6: Final answer
    x = 47,659.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.