Home / 41,430.18-57,144.78-31,326.24

Finding the Fourth Proportional to 41,430.18, 57,144.78 and 31,326.24

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Solution

The fourth proportional to 41,430.18, 57,144.78 and 31,326.24 is: 43,208.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,430.18 : 57,144.78 = 31,326.24 : x
  2. Step 2: Convert to fraction form
    41,430.18/57,144.78 = 31,326.24/x
  3. Step 3: Cross multiply
    41,430.18x = 57,144.78 × 31,326.24
  4. Step 4: Simplify right side
    41,430.18x = 1,790,131,093.03
  5. Step 5: Solve for x
    x = 1,790,131,093.03/41,430.18
  6. Step 6: Final answer
    x = 43,208.38

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Half scale
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Double scale
Find fourth proportional to 41,431.18, 57,146.16 and 31,327.24
Similar ratio
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1.5x scale

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.