Home / 40,580.16-56,072.16-31,229.52

Finding the Fourth Proportional to 40,580.16, 56,072.16 and 31,229.52

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Solution

The fourth proportional to 40,580.16, 56,072.16 and 31,229.52 is: 43,151.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,580.16 : 56,072.16 = 31,229.52 : x
  2. Step 2: Convert to fraction form
    40,580.16/56,072.16 = 31,229.52/x
  3. Step 3: Cross multiply
    40,580.16x = 56,072.16 × 31,229.52
  4. Step 4: Simplify right side
    40,580.16x = 1,751,106,642.16
  5. Step 5: Solve for x
    x = 1,751,106,642.16/40,580.16
  6. Step 6: Final answer
    x = 43,151.79

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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.