Home / 39,835.05-59,708.84-13,519.98

Finding the Fourth Proportional to 39,835.05, 59,708.84 and 13,519.98

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Solution

The fourth proportional to 39,835.05, 59,708.84 and 13,519.98 is: 20,265.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,835.05 : 59,708.84 = 13,519.98 : x
  2. Step 2: Convert to fraction form
    39,835.05/59,708.84 = 13,519.98/x
  3. Step 3: Cross multiply
    39,835.05x = 59,708.84 × 13,519.98
  4. Step 4: Simplify right side
    39,835.05x = 807,262,107.17
  5. Step 5: Solve for x
    x = 807,262,107.17/39,835.05
  6. Step 6: Final answer
    x = 20,265.12

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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.