Home / 35,687.32-53,537.06-12,308.28

Finding the Fourth Proportional to 35,687.32, 53,537.06 and 12,308.28

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Solution

The fourth proportional to 35,687.32, 53,537.06 and 12,308.28 is: 18,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,687.32 : 53,537.06 = 12,308.28 : x
  2. Step 2: Convert to fraction form
    35,687.32/53,537.06 = 12,308.28/x
  3. Step 3: Cross multiply
    35,687.32x = 53,537.06 × 12,308.28
  4. Step 4: Simplify right side
    35,687.32x = 658,949,124.86
  5. Step 5: Solve for x
    x = 658,949,124.86/35,687.32
  6. Step 6: Final answer
    x = 18,464.52

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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.