Home / 40,723.20-56,198.75-22,818.15

Finding the Fourth Proportional to 40,723.20, 56,198.75 and 22,818.15

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Solution

The fourth proportional to 40,723.20, 56,198.75 and 22,818.15 is: 31,489.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,723.20 : 56,198.75 = 22,818.15 : x
  2. Step 2: Convert to fraction form
    40,723.20/56,198.75 = 22,818.15/x
  3. Step 3: Cross multiply
    40,723.20x = 56,198.75 × 22,818.15
  4. Step 4: Simplify right side
    40,723.20x = 1,282,351,393.22
  5. Step 5: Solve for x
    x = 1,282,351,393.22/40,723.20
  6. Step 6: Final answer
    x = 31,489.46

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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.