Home / 39,983.48-59,964.74-11,895.98

Finding the Fourth Proportional to 39,983.48, 59,964.74 and 11,895.98

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Solution

The fourth proportional to 39,983.48, 59,964.74 and 11,895.98 is: 17,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983.48 : 59,964.74 = 11,895.98 : x
  2. Step 2: Convert to fraction form
    39,983.48/59,964.74 = 11,895.98/x
  3. Step 3: Cross multiply
    39,983.48x = 59,964.74 × 11,895.98
  4. Step 4: Simplify right side
    39,983.48x = 713,339,347.75
  5. Step 5: Solve for x
    x = 713,339,347.75/39,983.48
  6. Step 6: Final answer
    x = 17,840.85

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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.