Home / 56,914.24-85,380.60-21,378.30

Finding the Fourth Proportional to 56,914.24, 85,380.60 and 21,378.30

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Solution

The fourth proportional to 56,914.24, 85,380.60 and 21,378.30 is: 32,070.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,914.24 : 85,380.60 = 21,378.30 : x
  2. Step 2: Convert to fraction form
    56,914.24/85,380.60 = 21,378.30/x
  3. Step 3: Cross multiply
    56,914.24x = 85,380.60 × 21,378.30
  4. Step 4: Simplify right side
    56,914.24x = 1,825,292,080.98
  5. Step 5: Solve for x
    x = 1,825,292,080.98/56,914.24
  6. Step 6: Final answer
    x = 32,070.92

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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.