Home / 40,694.88-56,160-22,789.80

Finding the Fourth Proportional to 40,694.88, 56,160 and 22,789.80

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Solution

The fourth proportional to 40,694.88, 56,160 and 22,789.80 is: 31,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,694.88 : 56,160 = 22,789.80 : x
  2. Step 2: Convert to fraction form
    40,694.88/56,160 = 22,789.80/x
  3. Step 3: Cross multiply
    40,694.88x = 56,160 × 22,789.80
  4. Step 4: Simplify right side
    40,694.88x = 1,279,875,168
  5. Step 5: Solve for x
    x = 1,279,875,168/40,694.88
  6. Step 6: Final answer
    x = 31,450.52

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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.