Home / 52,842.06-72,918.41-31,330.71

Finding the Fourth Proportional to 52,842.06, 72,918.41 and 31,330.71

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Solution

The fourth proportional to 52,842.06, 72,918.41 and 31,330.71 is: 43,234.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,842.06 : 72,918.41 = 31,330.71 : x
  2. Step 2: Convert to fraction form
    52,842.06/72,918.41 = 31,330.71/x
  3. Step 3: Cross multiply
    52,842.06x = 72,918.41 × 31,330.71
  4. Step 4: Simplify right side
    52,842.06x = 2,284,585,400.72
  5. Step 5: Solve for x
    x = 2,284,585,400.72/52,842.06
  6. Step 6: Final answer
    x = 43,234.22

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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.