Home / 43,783.11-65,662.70-15,697.95

Finding the Fourth Proportional to 43,783.11, 65,662.70 and 15,697.95

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Solution

The fourth proportional to 43,783.11, 65,662.70 and 15,697.95 is: 23,542.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,783.11 : 65,662.70 = 15,697.95 : x
  2. Step 2: Convert to fraction form
    43,783.11/65,662.70 = 15,697.95/x
  3. Step 3: Cross multiply
    43,783.11x = 65,662.70 × 15,697.95
  4. Step 4: Simplify right side
    43,783.11x = 1,030,769,781.47
  5. Step 5: Solve for x
    x = 1,030,769,781.47/43,783.11
  6. Step 6: Final answer
    x = 23,542.64

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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.