Home / 35,645.12-53,474.88-12,272.48

Finding the Fourth Proportional to 35,645.12, 53,474.88 and 12,272.48

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Solution

The fourth proportional to 35,645.12, 53,474.88 and 12,272.48 is: 18,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,645.12 : 53,474.88 = 12,272.48 : x
  2. Step 2: Convert to fraction form
    35,645.12/53,474.88 = 12,272.48/x
  3. Step 3: Cross multiply
    35,645.12x = 53,474.88 × 12,272.48
  4. Step 4: Simplify right side
    35,645.12x = 656,269,395.30
  5. Step 5: Solve for x
    x = 656,269,395.30/35,645.12
  6. Step 6: Final answer
    x = 18,411.20

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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.