Home / 56,114.56-84,185.21-21,054.52

Finding the Fourth Proportional to 56,114.56, 84,185.21 and 21,054.52

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Solution

The fourth proportional to 56,114.56, 84,185.21 and 21,054.52 is: 31,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,114.56 : 84,185.21 = 21,054.52 : x
  2. Step 2: Convert to fraction form
    56,114.56/84,185.21 = 21,054.52/x
  3. Step 3: Cross multiply
    56,114.56x = 84,185.21 × 21,054.52
  4. Step 4: Simplify right side
    56,114.56x = 1,772,479,187.65
  5. Step 5: Solve for x
    x = 1,772,479,187.65/56,114.56
  6. Step 6: Final answer
    x = 31,586.80

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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.