Home / 57,326.42-79,109.34-31,831.46

Finding the Fourth Proportional to 57,326.42, 79,109.34 and 31,831.46

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Solution

The fourth proportional to 57,326.42, 79,109.34 and 31,831.46 is: 43,926.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,326.42 : 79,109.34 = 31,831.46 : x
  2. Step 2: Convert to fraction form
    57,326.42/79,109.34 = 31,831.46/x
  3. Step 3: Cross multiply
    57,326.42x = 79,109.34 × 31,831.46
  4. Step 4: Simplify right side
    57,326.42x = 2,518,165,791.84
  5. Step 5: Solve for x
    x = 2,518,165,791.84/57,326.42
  6. Step 6: Final answer
    x = 43,926.79

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