Home / 35,650.19-53,457.28-20,863.55

Finding the Fourth Proportional to 35,650.19, 53,457.28 and 20,863.55

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Solution

The fourth proportional to 35,650.19, 53,457.28 and 20,863.55 is: 31,284.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,650.19 : 53,457.28 = 20,863.55 : x
  2. Step 2: Convert to fraction form
    35,650.19/53,457.28 = 20,863.55/x
  3. Step 3: Cross multiply
    35,650.19x = 53,457.28 × 20,863.55
  4. Step 4: Simplify right side
    35,650.19x = 1,115,308,634.14
  5. Step 5: Solve for x
    x = 1,115,308,634.14/35,650.19
  6. Step 6: Final answer
    x = 31,284.79

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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.