Home / 43,946.88-65,913.15-12,359.10

Finding the Fourth Proportional to 43,946.88, 65,913.15 and 12,359.10

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Solution

The fourth proportional to 43,946.88, 65,913.15 and 12,359.10 is: 18,536.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,946.88 : 65,913.15 = 12,359.10 : x
  2. Step 2: Convert to fraction form
    43,946.88/65,913.15 = 12,359.10/x
  3. Step 3: Cross multiply
    43,946.88x = 65,913.15 × 12,359.10
  4. Step 4: Simplify right side
    43,946.88x = 814,627,212.17
  5. Step 5: Solve for x
    x = 814,627,212.17/43,946.88
  6. Step 6: Final answer
    x = 18,536.63

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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.