Home / 40,322.42-55,642.50-22,416.80

Finding the Fourth Proportional to 40,322.42, 55,642.50 and 22,416.80

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Solution

The fourth proportional to 40,322.42, 55,642.50 and 22,416.80 is: 30,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,322.42 : 55,642.50 = 22,416.80 : x
  2. Step 2: Convert to fraction form
    40,322.42/55,642.50 = 22,416.80/x
  3. Step 3: Cross multiply
    40,322.42x = 55,642.50 × 22,416.80
  4. Step 4: Simplify right side
    40,322.42x = 1,247,326,794
  5. Step 5: Solve for x
    x = 1,247,326,794/40,322.42
  6. Step 6: Final answer
    x = 30,933.83

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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.