Home / 39,789.28-59,674.64-11,701.82

Finding the Fourth Proportional to 39,789.28, 59,674.64 and 11,701.82

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Solution

The fourth proportional to 39,789.28, 59,674.64 and 11,701.82 is: 17,550.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,789.28 : 59,674.64 = 11,701.82 : x
  2. Step 2: Convert to fraction form
    39,789.28/59,674.64 = 11,701.82/x
  3. Step 3: Cross multiply
    39,789.28x = 59,674.64 × 11,701.82
  4. Step 4: Simplify right side
    39,789.28x = 698,301,895.84
  5. Step 5: Solve for x
    x = 698,301,895.84/39,789.28
  6. Step 6: Final answer
    x = 17,550.00

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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.