Home / 39,821.32-59,732.45-13,528.11

Finding the Fourth Proportional to 39,821.32, 59,732.45 and 13,528.11

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Solution

The fourth proportional to 39,821.32, 59,732.45 and 13,528.11 is: 20,292.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,821.32 : 59,732.45 = 13,528.11 : x
  2. Step 2: Convert to fraction form
    39,821.32/59,732.45 = 13,528.11/x
  3. Step 3: Cross multiply
    39,821.32x = 59,732.45 × 13,528.11
  4. Step 4: Simplify right side
    39,821.32x = 808,067,086.53
  5. Step 5: Solve for x
    x = 808,067,086.53/39,821.32
  6. Step 6: Final answer
    x = 20,292.33

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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.