Home / 57,257.94-79,015.86-31,768.17

Finding the Fourth Proportional to 57,257.94, 79,015.86 and 31,768.17

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Solution

The fourth proportional to 57,257.94, 79,015.86 and 31,768.17 is: 43,840.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,257.94 : 79,015.86 = 31,768.17 : x
  2. Step 2: Convert to fraction form
    57,257.94/79,015.86 = 31,768.17/x
  3. Step 3: Cross multiply
    57,257.94x = 79,015.86 × 31,768.17
  4. Step 4: Simplify right side
    57,257.94x = 2,510,189,273.18
  5. Step 5: Solve for x
    x = 2,510,189,273.18/57,257.94
  6. Step 6: Final answer
    x = 43,840.02

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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.