Home / 56,181.44-84,220.08-21,144.32

Finding the Fourth Proportional to 56,181.44, 84,220.08 and 21,144.32

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Solution

The fourth proportional to 56,181.44, 84,220.08 and 21,144.32 is: 31,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,181.44 : 84,220.08 = 21,144.32 : x
  2. Step 2: Convert to fraction form
    56,181.44/84,220.08 = 21,144.32/x
  3. Step 3: Cross multiply
    56,181.44x = 84,220.08 × 21,144.32
  4. Step 4: Simplify right side
    56,181.44x = 1,780,776,321.95
  5. Step 5: Solve for x
    x = 1,780,776,321.95/56,181.44
  6. Step 6: Final answer
    x = 31,696.88

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1.5x scale

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.