Home / 49,408.63-74,059.80-21,341.89

Finding the Fourth Proportional to 49,408.63, 74,059.80 and 21,341.89

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Solution

The fourth proportional to 49,408.63, 74,059.80 and 21,341.89 is: 31,989.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,408.63 : 74,059.80 = 21,341.89 : x
  2. Step 2: Convert to fraction form
    49,408.63/74,059.80 = 21,341.89/x
  3. Step 3: Cross multiply
    49,408.63x = 74,059.80 × 21,341.89
  4. Step 4: Simplify right side
    49,408.63x = 1,580,576,105.02
  5. Step 5: Solve for x
    x = 1,580,576,105.02/49,408.63
  6. Step 6: Final answer
    x = 31,989.88

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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.