Home / 55,027.44-75,933.72-31,148.64

Finding the Fourth Proportional to 55,027.44, 75,933.72 and 31,148.64

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Solution

The fourth proportional to 55,027.44, 75,933.72 and 31,148.64 is: 42,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,027.44 : 75,933.72 = 31,148.64 : x
  2. Step 2: Convert to fraction form
    55,027.44/75,933.72 = 31,148.64/x
  3. Step 3: Cross multiply
    55,027.44x = 75,933.72 × 31,148.64
  4. Step 4: Simplify right side
    55,027.44x = 2,365,232,108.14
  5. Step 5: Solve for x
    x = 2,365,232,108.14/55,027.44
  6. Step 6: Final answer
    x = 42,982.78

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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.