Home / 39,983.22-59,976.45-10,403.64

Finding the Fourth Proportional to 39,983.22, 59,976.45 and 10,403.64

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Solution

The fourth proportional to 39,983.22, 59,976.45 and 10,403.64 is: 15,605.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983.22 : 59,976.45 = 10,403.64 : x
  2. Step 2: Convert to fraction form
    39,983.22/59,976.45 = 10,403.64/x
  3. Step 3: Cross multiply
    39,983.22x = 59,976.45 × 10,403.64
  4. Step 4: Simplify right side
    39,983.22x = 623,973,394.28
  5. Step 5: Solve for x
    x = 623,973,394.28/39,983.22
  6. Step 6: Final answer
    x = 15,605.88

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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.