Home / 39,805.16-59,705.58-12,101

Finding the Fourth Proportional to 39,805.16, 59,705.58 and 12,101

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Solution

The fourth proportional to 39,805.16, 59,705.58 and 12,101 is: 18,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,805.16 : 59,705.58 = 12,101 : x
  2. Step 2: Convert to fraction form
    39,805.16/59,705.58 = 12,101/x
  3. Step 3: Cross multiply
    39,805.16x = 59,705.58 × 12,101
  4. Step 4: Simplify right side
    39,805.16x = 722,497,223.58
  5. Step 5: Solve for x
    x = 722,497,223.58/39,805.16
  6. Step 6: Final answer
    x = 18,150.84

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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.