Home / 34,066.94-51,121.82-13,009.16

Finding the Fourth Proportional to 34,066.94, 51,121.82 and 13,009.16

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Solution

The fourth proportional to 34,066.94, 51,121.82 and 13,009.16 is: 19,521.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,066.94 : 51,121.82 = 13,009.16 : x
  2. Step 2: Convert to fraction form
    34,066.94/51,121.82 = 13,009.16/x
  3. Step 3: Cross multiply
    34,066.94x = 51,121.82 × 13,009.16
  4. Step 4: Simplify right side
    34,066.94x = 665,051,935.87
  5. Step 5: Solve for x
    x = 665,051,935.87/34,066.94
  6. Step 6: Final answer
    x = 19,521.92

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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.