Home / 66,935.39-100,353.87-31,899.65

Finding the Fourth Proportional to 66,935.39, 100,353.87 and 31,899.65

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Solution

The fourth proportional to 66,935.39, 100,353.87 and 31,899.65 is: 47,826.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,935.39 : 100,353.87 = 31,899.65 : x
  2. Step 2: Convert to fraction form
    66,935.39/100,353.87 = 31,899.65/x
  3. Step 3: Cross multiply
    66,935.39x = 100,353.87 × 31,899.65
  4. Step 4: Simplify right side
    66,935.39x = 3,201,252,827.38
  5. Step 5: Solve for x
    x = 3,201,252,827.38/66,935.39
  6. Step 6: Final answer
    x = 47,826.02

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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.