Home / 55,441.13-82,857.83-40,479.75

Finding the Fourth Proportional to 55,441.13, 82,857.83 and 40,479.75

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Solution

The fourth proportional to 55,441.13, 82,857.83 and 40,479.75 is: 60,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,441.13 : 82,857.83 = 40,479.75 : x
  2. Step 2: Convert to fraction form
    55,441.13/82,857.83 = 40,479.75/x
  3. Step 3: Cross multiply
    55,441.13x = 82,857.83 × 40,479.75
  4. Step 4: Simplify right side
    55,441.13x = 3,354,064,041.54
  5. Step 5: Solve for x
    x = 3,354,064,041.54/55,441.13
  6. Step 6: Final answer
    x = 60,497.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.