Home / 56,414.12-84,630.92-18,977.81

Finding the Fourth Proportional to 56,414.12, 84,630.92 and 18,977.81

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Solution

The fourth proportional to 56,414.12, 84,630.92 and 18,977.81 is: 28,469.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,414.12 : 84,630.92 = 18,977.81 : x
  2. Step 2: Convert to fraction form
    56,414.12/84,630.92 = 18,977.81/x
  3. Step 3: Cross multiply
    56,414.12x = 84,630.92 × 18,977.81
  4. Step 4: Simplify right side
    56,414.12x = 1,606,109,001.84
  5. Step 5: Solve for x
    x = 1,606,109,001.84/56,414.12
  6. Step 6: Final answer
    x = 28,469.98

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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.