Home / 35,821.88-49,432.38-19,905.98

Finding the Fourth Proportional to 35,821.88, 49,432.38 and 19,905.98

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Solution

The fourth proportional to 35,821.88, 49,432.38 and 19,905.98 is: 27,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,821.88 : 49,432.38 = 19,905.98 : x
  2. Step 2: Convert to fraction form
    35,821.88/49,432.38 = 19,905.98/x
  3. Step 3: Cross multiply
    35,821.88x = 49,432.38 × 19,905.98
  4. Step 4: Simplify right side
    35,821.88x = 983,999,967.63
  5. Step 5: Solve for x
    x = 983,999,967.63/35,821.88
  6. Step 6: Final answer
    x = 27,469.24

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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.