Home / 56,920.56-85,405.44-21,852.06

Finding the Fourth Proportional to 56,920.56, 85,405.44 and 21,852.06

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Solution

The fourth proportional to 56,920.56, 85,405.44 and 21,852.06 is: 32,787.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,920.56 : 85,405.44 = 21,852.06 : x
  2. Step 2: Convert to fraction form
    56,920.56/85,405.44 = 21,852.06/x
  3. Step 3: Cross multiply
    56,920.56x = 85,405.44 × 21,852.06
  4. Step 4: Simplify right side
    56,920.56x = 1,866,284,799.21
  5. Step 5: Solve for x
    x = 1,866,284,799.21/56,920.56
  6. Step 6: Final answer
    x = 32,787.53

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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.