Home / 38,137.02-57,196.41-13,177.95

Finding the Fourth Proportional to 38,137.02, 57,196.41 and 13,177.95

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Solution

The fourth proportional to 38,137.02, 57,196.41 and 13,177.95 is: 19,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,137.02 : 57,196.41 = 13,177.95 : x
  2. Step 2: Convert to fraction form
    38,137.02/57,196.41 = 13,177.95/x
  3. Step 3: Cross multiply
    38,137.02x = 57,196.41 × 13,177.95
  4. Step 4: Simplify right side
    38,137.02x = 753,731,431.16
  5. Step 5: Solve for x
    x = 753,731,431.16/38,137.02
  6. Step 6: Final answer
    x = 19,763.77

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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.