Home / 50,949.80-76,428.08-13,509.35

Finding the Fourth Proportional to 50,949.80, 76,428.08 and 13,509.35

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Solution

The fourth proportional to 50,949.80, 76,428.08 and 13,509.35 is: 20,264.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,949.80 : 76,428.08 = 13,509.35 : x
  2. Step 2: Convert to fraction form
    50,949.80/76,428.08 = 13,509.35/x
  3. Step 3: Cross multiply
    50,949.80x = 76,428.08 × 13,509.35
  4. Step 4: Simplify right side
    50,949.80x = 1,032,493,615.00
  5. Step 5: Solve for x
    x = 1,032,493,615.00/50,949.80
  6. Step 6: Final answer
    x = 20,264.92

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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.