Home / 54,939.32-82,353.40-21,646.44

Finding the Fourth Proportional to 54,939.32, 82,353.40 and 21,646.44

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Solution

The fourth proportional to 54,939.32, 82,353.40 and 21,646.44 is: 32,447.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,939.32 : 82,353.40 = 21,646.44 : x
  2. Step 2: Convert to fraction form
    54,939.32/82,353.40 = 21,646.44/x
  3. Step 3: Cross multiply
    54,939.32x = 82,353.40 × 21,646.44
  4. Step 4: Simplify right side
    54,939.32x = 1,782,657,931.90
  5. Step 5: Solve for x
    x = 1,782,657,931.90/54,939.32
  6. Step 6: Final answer
    x = 32,447.76

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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.