Home / 55,724.09-76,904.64-31,846.20

Finding the Fourth Proportional to 55,724.09, 76,904.64 and 31,846.20

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Solution

The fourth proportional to 55,724.09, 76,904.64 and 31,846.20 is: 43,950.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,724.09 : 76,904.64 = 31,846.20 : x
  2. Step 2: Convert to fraction form
    55,724.09/76,904.64 = 31,846.20/x
  3. Step 3: Cross multiply
    55,724.09x = 76,904.64 × 31,846.20
  4. Step 4: Simplify right side
    55,724.09x = 2,449,120,257.98
  5. Step 5: Solve for x
    x = 2,449,120,257.98/55,724.09
  6. Step 6: Final answer
    x = 43,950.84

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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.