Home / 56,961.44-85,444.32-21,419.04

Finding the Fourth Proportional to 56,961.44, 85,444.32 and 21,419.04

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Solution

The fourth proportional to 56,961.44, 85,444.32 and 21,419.04 is: 32,129.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,961.44 : 85,444.32 = 21,419.04 : x
  2. Step 2: Convert to fraction form
    56,961.44/85,444.32 = 21,419.04/x
  3. Step 3: Cross multiply
    56,961.44x = 85,444.32 × 21,419.04
  4. Step 4: Simplify right side
    56,961.44x = 1,830,135,307.85
  5. Step 5: Solve for x
    x = 1,830,135,307.85/56,961.44
  6. Step 6: Final answer
    x = 32,129.37

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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.