Home / 55,190.32-76,091.48-40,104.88

Finding the Fourth Proportional to 55,190.32, 76,091.48 and 40,104.88

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Solution

The fourth proportional to 55,190.32, 76,091.48 and 40,104.88 is: 55,293.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,190.32 : 76,091.48 = 40,104.88 : x
  2. Step 2: Convert to fraction form
    55,190.32/76,091.48 = 40,104.88/x
  3. Step 3: Cross multiply
    55,190.32x = 76,091.48 × 40,104.88
  4. Step 4: Simplify right side
    55,190.32x = 3,051,639,674.42
  5. Step 5: Solve for x
    x = 3,051,639,674.42/55,190.32
  6. Step 6: Final answer
    x = 55,293.02

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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.