Home / 31,740.98-47,614.62-11,755.82

Finding the Fourth Proportional to 31,740.98, 47,614.62 and 11,755.82

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Solution

The fourth proportional to 31,740.98, 47,614.62 and 11,755.82 is: 17,634.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,740.98 : 47,614.62 = 11,755.82 : x
  2. Step 2: Convert to fraction form
    31,740.98/47,614.62 = 11,755.82/x
  3. Step 3: Cross multiply
    31,740.98x = 47,614.62 × 11,755.82
  4. Step 4: Simplify right side
    31,740.98x = 559,748,664.02
  5. Step 5: Solve for x
    x = 559,748,664.02/31,740.98
  6. Step 6: Final answer
    x = 17,634.89

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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.