Home / 39,056.64-53,898.36-21,151.68

Finding the Fourth Proportional to 39,056.64, 53,898.36 and 21,151.68

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Solution

The fourth proportional to 39,056.64, 53,898.36 and 21,151.68 is: 29,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,056.64 : 53,898.36 = 21,151.68 : x
  2. Step 2: Convert to fraction form
    39,056.64/53,898.36 = 21,151.68/x
  3. Step 3: Cross multiply
    39,056.64x = 53,898.36 × 21,151.68
  4. Step 4: Simplify right side
    39,056.64x = 1,140,040,863.24
  5. Step 5: Solve for x
    x = 1,140,040,863.24/39,056.64
  6. Step 6: Final answer
    x = 29,189.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.