Home / 55,317.44-76,337.37-31,442.56

Finding the Fourth Proportional to 55,317.44, 76,337.37 and 31,442.56

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Solution

The fourth proportional to 55,317.44, 76,337.37 and 31,442.56 is: 43,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,317.44 : 76,337.37 = 31,442.56 : x
  2. Step 2: Convert to fraction form
    55,317.44/76,337.37 = 31,442.56/x
  3. Step 3: Cross multiply
    55,317.44x = 76,337.37 × 31,442.56
  4. Step 4: Simplify right side
    55,317.44x = 2,400,242,145.62
  5. Step 5: Solve for x
    x = 2,400,242,145.62/55,317.44
  6. Step 6: Final answer
    x = 43,390.33

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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.