Home / 39,829.58-59,753.04-12,126.86

Finding the Fourth Proportional to 39,829.58, 59,753.04 and 12,126.86

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Solution

The fourth proportional to 39,829.58, 59,753.04 and 12,126.86 is: 18,192.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,829.58 : 59,753.04 = 12,126.86 : x
  2. Step 2: Convert to fraction form
    39,829.58/59,753.04 = 12,126.86/x
  3. Step 3: Cross multiply
    39,829.58x = 59,753.04 × 12,126.86
  4. Step 4: Simplify right side
    39,829.58x = 724,616,750.65
  5. Step 5: Solve for x
    x = 724,616,750.65/39,829.58
  6. Step 6: Final answer
    x = 18,192.93

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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.