Home / 34,736.88-47,937.79-21,315.56

Finding the Fourth Proportional to 34,736.88, 47,937.79 and 21,315.56

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Solution

The fourth proportional to 34,736.88, 47,937.79 and 21,315.56 is: 29,416.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,736.88 : 47,937.79 = 21,315.56 : x
  2. Step 2: Convert to fraction form
    34,736.88/47,937.79 = 21,315.56/x
  3. Step 3: Cross multiply
    34,736.88x = 47,937.79 × 21,315.56
  4. Step 4: Simplify right side
    34,736.88x = 1,021,820,625.97
  5. Step 5: Solve for x
    x = 1,021,820,625.97/34,736.88
  6. Step 6: Final answer
    x = 29,416.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.