Home / 34,272.12-51,463.98-21,207.72

Finding the Fourth Proportional to 34,272.12, 51,463.98 and 21,207.72

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Solution

The fourth proportional to 34,272.12, 51,463.98 and 21,207.72 is: 31,846.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,272.12 : 51,463.98 = 21,207.72 : x
  2. Step 2: Convert to fraction form
    34,272.12/51,463.98 = 21,207.72/x
  3. Step 3: Cross multiply
    34,272.12x = 51,463.98 × 21,207.72
  4. Step 4: Simplify right side
    34,272.12x = 1,091,433,677.93
  5. Step 5: Solve for x
    x = 1,091,433,677.93/34,272.12
  6. Step 6: Final answer
    x = 31,846.11

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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.