Home / 63,987.22-88,287.33-38,831.86

Finding the Fourth Proportional to 63,987.22, 88,287.33 and 38,831.86

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Solution

The fourth proportional to 63,987.22, 88,287.33 and 38,831.86 is: 53,578.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,987.22 : 88,287.33 = 38,831.86 : x
  2. Step 2: Convert to fraction form
    63,987.22/88,287.33 = 38,831.86/x
  3. Step 3: Cross multiply
    63,987.22x = 88,287.33 × 38,831.86
  4. Step 4: Simplify right side
    63,987.22x = 3,428,361,238.33
  5. Step 5: Solve for x
    x = 3,428,361,238.33/63,987.22
  6. Step 6: Final answer
    x = 53,578.84

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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.