Home / 22,322.41-33,432.30-12,939.22

Finding the Fourth Proportional to 22,322.41, 33,432.30 and 12,939.22

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Solution

The fourth proportional to 22,322.41, 33,432.30 and 12,939.22 is: 19,379.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,322.41 : 33,432.30 = 12,939.22 : x
  2. Step 2: Convert to fraction form
    22,322.41/33,432.30 = 12,939.22/x
  3. Step 3: Cross multiply
    22,322.41x = 33,432.30 × 12,939.22
  4. Step 4: Simplify right side
    22,322.41x = 432,587,884.81
  5. Step 5: Solve for x
    x = 432,587,884.81/22,322.41
  6. Step 6: Final answer
    x = 19,379.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.