Home / 56,705.12-85,069.98-17,261.21

Finding the Fourth Proportional to 56,705.12, 85,069.98 and 17,261.21

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Solution

The fourth proportional to 56,705.12, 85,069.98 and 17,261.21 is: 25,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,705.12 : 85,069.98 = 17,261.21 : x
  2. Step 2: Convert to fraction form
    56,705.12/85,069.98 = 17,261.21/x
  3. Step 3: Cross multiply
    56,705.12x = 85,069.98 × 17,261.21
  4. Step 4: Simplify right side
    56,705.12x = 1,468,410,789.48
  5. Step 5: Solve for x
    x = 1,468,410,789.48/56,705.12
  6. Step 6: Final answer
    x = 25,895.56

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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.