Home / 41,638.79-62,449.22-13,178.00

Finding the Fourth Proportional to 41,638.79, 62,449.22 and 13,178.00

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Solution

The fourth proportional to 41,638.79, 62,449.22 and 13,178.00 is: 19,764.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,638.79 : 62,449.22 = 13,178.00 : x
  2. Step 2: Convert to fraction form
    41,638.79/62,449.22 = 13,178.00/x
  3. Step 3: Cross multiply
    41,638.79x = 62,449.22 × 13,178.00
  4. Step 4: Simplify right side
    41,638.79x = 822,955,541.86
  5. Step 5: Solve for x
    x = 822,955,541.86/41,638.79
  6. Step 6: Final answer
    x = 19,764.15

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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.