Home / 43,378.70-65,073.25-15,292.95

Finding the Fourth Proportional to 43,378.70, 65,073.25 and 15,292.95

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Solution

The fourth proportional to 43,378.70, 65,073.25 and 15,292.95 is: 22,941.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,378.70 : 65,073.25 = 15,292.95 : x
  2. Step 2: Convert to fraction form
    43,378.70/65,073.25 = 15,292.95/x
  3. Step 3: Cross multiply
    43,378.70x = 65,073.25 × 15,292.95
  4. Step 4: Simplify right side
    43,378.70x = 995,162,056.70
  5. Step 5: Solve for x
    x = 995,162,056.70/43,378.70
  6. Step 6: Final answer
    x = 22,941.26

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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.