Home / 66,383.67-99,521.46-30,867.36

Finding the Fourth Proportional to 66,383.67, 99,521.46 and 30,867.36

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Solution

The fourth proportional to 66,383.67, 99,521.46 and 30,867.36 is: 46,275.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,383.67 : 99,521.46 = 30,867.36 : x
  2. Step 2: Convert to fraction form
    66,383.67/99,521.46 = 30,867.36/x
  3. Step 3: Cross multiply
    66,383.67x = 99,521.46 × 30,867.36
  4. Step 4: Simplify right side
    66,383.67x = 3,071,964,733.55
  5. Step 5: Solve for x
    x = 3,071,964,733.55/66,383.67
  6. Step 6: Final answer
    x = 46,275.91

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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.