Home / 45,935.46-68,815.53-31,118.94

Finding the Fourth Proportional to 45,935.46, 68,815.53 and 31,118.94

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Solution

The fourth proportional to 45,935.46, 68,815.53 and 31,118.94 is: 46,619.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,935.46 : 68,815.53 = 31,118.94 : x
  2. Step 2: Convert to fraction form
    45,935.46/68,815.53 = 31,118.94/x
  3. Step 3: Cross multiply
    45,935.46x = 68,815.53 × 31,118.94
  4. Step 4: Simplify right side
    45,935.46x = 2,141,466,349.14
  5. Step 5: Solve for x
    x = 2,141,466,349.14/45,935.46
  6. Step 6: Final answer
    x = 46,619.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.