Home / 55,479.24-83,179.98-20,414.34

Finding the Fourth Proportional to 55,479.24, 83,179.98 and 20,414.34

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Solution

The fourth proportional to 55,479.24, 83,179.98 and 20,414.34 is: 30,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,479.24 : 83,179.98 = 20,414.34 : x
  2. Step 2: Convert to fraction form
    55,479.24/83,179.98 = 20,414.34/x
  3. Step 3: Cross multiply
    55,479.24x = 83,179.98 × 20,414.34
  4. Step 4: Simplify right side
    55,479.24x = 1,698,064,392.91
  5. Step 5: Solve for x
    x = 1,698,064,392.91/55,479.24
  6. Step 6: Final answer
    x = 30,607.20

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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.