Home / 38,512.13-57,673.83-31,807.60

Finding the Fourth Proportional to 38,512.13, 57,673.83 and 31,807.60

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Solution

The fourth proportional to 38,512.13, 57,673.83 and 31,807.60 is: 47,633.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,512.13 : 57,673.83 = 31,807.60 : x
  2. Step 2: Convert to fraction form
    38,512.13/57,673.83 = 31,807.60/x
  3. Step 3: Cross multiply
    38,512.13x = 57,673.83 × 31,807.60
  4. Step 4: Simplify right side
    38,512.13x = 1,834,466,115.11
  5. Step 5: Solve for x
    x = 1,834,466,115.11/38,512.13
  6. Step 6: Final answer
    x = 47,633.46

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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.