Home / 56,135.98-84,175.80-18,682.84

Finding the Fourth Proportional to 56,135.98, 84,175.80 and 18,682.84

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Solution

The fourth proportional to 56,135.98, 84,175.80 and 18,682.84 is: 28,014.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,135.98 : 84,175.80 = 18,682.84 : x
  2. Step 2: Convert to fraction form
    56,135.98/84,175.80 = 18,682.84/x
  3. Step 3: Cross multiply
    56,135.98x = 84,175.80 × 18,682.84
  4. Step 4: Simplify right side
    56,135.98x = 1,572,643,003.27
  5. Step 5: Solve for x
    x = 1,572,643,003.27/56,135.98
  6. Step 6: Final answer
    x = 28,014.88

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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.