Home / 35,827.76-53,742.12-12,454.64

Finding the Fourth Proportional to 35,827.76, 53,742.12 and 12,454.64

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Solution

The fourth proportional to 35,827.76, 53,742.12 and 12,454.64 is: 18,682.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,827.76 : 53,742.12 = 12,454.64 : x
  2. Step 2: Convert to fraction form
    35,827.76/53,742.12 = 12,454.64/x
  3. Step 3: Cross multiply
    35,827.76x = 53,742.12 × 12,454.64
  4. Step 4: Simplify right side
    35,827.76x = 669,338,757.44
  5. Step 5: Solve for x
    x = 669,338,757.44/35,827.76
  6. Step 6: Final answer
    x = 18,682.13

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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.