Home / 41,229.32-61,848.84-13,139.60

Finding the Fourth Proportional to 41,229.32, 61,848.84 and 13,139.60

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Solution

The fourth proportional to 41,229.32, 61,848.84 and 13,139.60 is: 19,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,229.32 : 61,848.84 = 13,139.60 : x
  2. Step 2: Convert to fraction form
    41,229.32/61,848.84 = 13,139.60/x
  3. Step 3: Cross multiply
    41,229.32x = 61,848.84 × 13,139.60
  4. Step 4: Simplify right side
    41,229.32x = 812,669,018.06
  5. Step 5: Solve for x
    x = 812,669,018.06/41,229.32
  6. Step 6: Final answer
    x = 19,710.95

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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.