Home / 32,918.40-49,385.40-10,731.90

Finding the Fourth Proportional to 32,918.40, 49,385.40 and 10,731.90

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Solution

The fourth proportional to 32,918.40, 49,385.40 and 10,731.90 is: 16,100.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,918.40 : 49,385.40 = 10,731.90 : x
  2. Step 2: Convert to fraction form
    32,918.40/49,385.40 = 10,731.90/x
  3. Step 3: Cross multiply
    32,918.40x = 49,385.40 × 10,731.90
  4. Step 4: Simplify right side
    32,918.40x = 529,999,174.26
  5. Step 5: Solve for x
    x = 529,999,174.26/32,918.40
  6. Step 6: Final answer
    x = 16,100.39

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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.