Home / 35,785.60-53,687.68-13,599.36

Finding the Fourth Proportional to 35,785.60, 53,687.68 and 13,599.36

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Solution

The fourth proportional to 35,785.60, 53,687.68 and 13,599.36 is: 20,402.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,785.60 : 53,687.68 = 13,599.36 : x
  2. Step 2: Convert to fraction form
    35,785.60/53,687.68 = 13,599.36/x
  3. Step 3: Cross multiply
    35,785.60x = 53,687.68 × 13,599.36
  4. Step 4: Simplify right side
    35,785.60x = 730,118,087.88
  5. Step 5: Solve for x
    x = 730,118,087.88/35,785.60
  6. Step 6: Final answer
    x = 20,402.57

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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.