Home / 43,327.85-64,991.78-42,453.05

Finding the Fourth Proportional to 43,327.85, 64,991.78 and 42,453.05

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Solution

The fourth proportional to 43,327.85, 64,991.78 and 42,453.05 is: 63,679.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,327.85 : 64,991.78 = 42,453.05 : x
  2. Step 2: Convert to fraction form
    43,327.85/64,991.78 = 42,453.05/x
  3. Step 3: Cross multiply
    43,327.85x = 64,991.78 × 42,453.05
  4. Step 4: Simplify right side
    43,327.85x = 2,759,099,073.66
  5. Step 5: Solve for x
    x = 2,759,099,073.66/43,327.85
  6. Step 6: Final answer
    x = 63,679.58

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1.5x scale

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.