Home / 34,759.43-47,965.77-21,327.60

Finding the Fourth Proportional to 34,759.43, 47,965.77 and 21,327.60

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Solution

The fourth proportional to 34,759.43, 47,965.77 and 21,327.60 is: 29,430.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,759.43 : 47,965.77 = 21,327.60 : x
  2. Step 2: Convert to fraction form
    34,759.43/47,965.77 = 21,327.60/x
  3. Step 3: Cross multiply
    34,759.43x = 47,965.77 × 21,327.60
  4. Step 4: Simplify right side
    34,759.43x = 1,022,994,936.12
  5. Step 5: Solve for x
    x = 1,022,994,936.12/34,759.43
  6. Step 6: Final answer
    x = 29,430.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.