Home / 55,388.24-76,432.88-30,232.88

Finding the Fourth Proportional to 55,388.24, 76,432.88 and 30,232.88

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Solution

The fourth proportional to 55,388.24, 76,432.88 and 30,232.88 is: 41,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,388.24 : 76,432.88 = 30,232.88 : x
  2. Step 2: Convert to fraction form
    55,388.24/76,432.88 = 30,232.88/x
  3. Step 3: Cross multiply
    55,388.24x = 76,432.88 × 30,232.88
  4. Step 4: Simplify right side
    55,388.24x = 2,310,786,089.09
  5. Step 5: Solve for x
    x = 2,310,786,089.09/55,388.24
  6. Step 6: Final answer
    x = 41,719.80

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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.