Home / 31,782.11-43,857.77-17,441.60

Finding the Fourth Proportional to 31,782.11, 43,857.77 and 17,441.60

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Solution

The fourth proportional to 31,782.11, 43,857.77 and 17,441.60 is: 24,068.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,782.11 : 43,857.77 = 17,441.60 : x
  2. Step 2: Convert to fraction form
    31,782.11/43,857.77 = 17,441.60/x
  3. Step 3: Cross multiply
    31,782.11x = 43,857.77 × 17,441.60
  4. Step 4: Simplify right side
    31,782.11x = 764,949,374.74
  5. Step 5: Solve for x
    x = 764,949,374.74/31,782.11
  6. Step 6: Final answer
    x = 24,068.56

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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.