Home / 35,828.76-53,743.62-12,455.64

Finding the Fourth Proportional to 35,828.76, 53,743.62 and 12,455.64

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Solution

The fourth proportional to 35,828.76, 53,743.62 and 12,455.64 is: 18,683.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,828.76 : 53,743.62 = 12,455.64 : x
  2. Step 2: Convert to fraction form
    35,828.76/53,743.62 = 12,455.64/x
  3. Step 3: Cross multiply
    35,828.76x = 53,743.62 × 12,455.64
  4. Step 4: Simplify right side
    35,828.76x = 669,411,183.02
  5. Step 5: Solve for x
    x = 669,411,183.02/35,828.76
  6. Step 6: Final answer
    x = 18,683.63

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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.