Home / 39,948.58-55,132.41-23,180.50

Finding the Fourth Proportional to 39,948.58, 55,132.41 and 23,180.50

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Solution

The fourth proportional to 39,948.58, 55,132.41 and 23,180.50 is: 31,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,948.58 : 55,132.41 = 23,180.50 : x
  2. Step 2: Convert to fraction form
    39,948.58/55,132.41 = 23,180.50/x
  3. Step 3: Cross multiply
    39,948.58x = 55,132.41 × 23,180.50
  4. Step 4: Simplify right side
    39,948.58x = 1,277,996,830.01
  5. Step 5: Solve for x
    x = 1,277,996,830.01/39,948.58
  6. Step 6: Final answer
    x = 31,991.05

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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.