Home / 40,815.06-56,321.72-22,666.80

Finding the Fourth Proportional to 40,815.06, 56,321.72 and 22,666.80

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Solution

The fourth proportional to 40,815.06, 56,321.72 and 22,666.80 is: 31,278.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,815.06 : 56,321.72 = 22,666.80 : x
  2. Step 2: Convert to fraction form
    40,815.06/56,321.72 = 22,666.80/x
  3. Step 3: Cross multiply
    40,815.06x = 56,321.72 × 22,666.80
  4. Step 4: Simplify right side
    40,815.06x = 1,276,633,049.56
  5. Step 5: Solve for x
    x = 1,276,633,049.56/40,815.06
  6. Step 6: Final answer
    x = 31,278.48

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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.