Home / 55,388.60-76,436.48-30,238.52

Finding the Fourth Proportional to 55,388.60, 76,436.48 and 30,238.52

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Solution

The fourth proportional to 55,388.60, 76,436.48 and 30,238.52 is: 41,729.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,388.60 : 76,436.48 = 30,238.52 : x
  2. Step 2: Convert to fraction form
    55,388.60/76,436.48 = 30,238.52/x
  3. Step 3: Cross multiply
    55,388.60x = 76,436.48 × 30,238.52
  4. Step 4: Simplify right side
    55,388.60x = 2,311,326,029.21
  5. Step 5: Solve for x
    x = 2,311,326,029.21/55,388.60
  6. Step 6: Final answer
    x = 41,729.27

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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.