Home / 39,761.89-59,643.09-11,681.83

Finding the Fourth Proportional to 39,761.89, 59,643.09 and 11,681.83

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Solution

The fourth proportional to 39,761.89, 59,643.09 and 11,681.83 is: 17,522.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,761.89 : 59,643.09 = 11,681.83 : x
  2. Step 2: Convert to fraction form
    39,761.89/59,643.09 = 11,681.83/x
  3. Step 3: Cross multiply
    39,761.89x = 59,643.09 × 11,681.83
  4. Step 4: Simplify right side
    39,761.89x = 696,740,438.05
  5. Step 5: Solve for x
    x = 696,740,438.05/39,761.89
  6. Step 6: Final answer
    x = 17,522.82

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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.