Home / 39,834.96-59,742.52-12,132.56

Finding the Fourth Proportional to 39,834.96, 59,742.52 and 12,132.56

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Solution

The fourth proportional to 39,834.96, 59,742.52 and 12,132.56 is: 18,195.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,834.96 : 59,742.52 = 12,132.56 : x
  2. Step 2: Convert to fraction form
    39,834.96/59,742.52 = 12,132.56/x
  3. Step 3: Cross multiply
    39,834.96x = 59,742.52 × 12,132.56
  4. Step 4: Simplify right side
    39,834.96x = 724,829,708.45
  5. Step 5: Solve for x
    x = 724,829,708.45/39,834.96
  6. Step 6: Final answer
    x = 18,195.82

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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.