Home / 43,782.68-65,688.60-14,201.48

Finding the Fourth Proportional to 43,782.68, 65,688.60 and 14,201.48

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Solution

The fourth proportional to 43,782.68, 65,688.60 and 14,201.48 is: 21,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,782.68 : 65,688.60 = 14,201.48 : x
  2. Step 2: Convert to fraction form
    43,782.68/65,688.60 = 14,201.48/x
  3. Step 3: Cross multiply
    43,782.68x = 65,688.60 × 14,201.48
  4. Step 4: Simplify right side
    43,782.68x = 932,875,339.13
  5. Step 5: Solve for x
    x = 932,875,339.13/43,782.68
  6. Step 6: Final answer
    x = 21,306.95

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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.