Home / 43,530.48-65,307.60-12,366

Finding the Fourth Proportional to 43,530.48, 65,307.60 and 12,366

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Solution

The fourth proportional to 43,530.48, 65,307.60 and 12,366 is: 18,552.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,530.48 : 65,307.60 = 12,366 : x
  2. Step 2: Convert to fraction form
    43,530.48/65,307.60 = 12,366/x
  3. Step 3: Cross multiply
    43,530.48x = 65,307.60 × 12,366
  4. Step 4: Simplify right side
    43,530.48x = 807,593,781.60
  5. Step 5: Solve for x
    x = 807,593,781.60/43,530.48
  6. Step 6: Final answer
    x = 18,552.37

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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.