Home / 51,079.56-76,588.02-21,084.48

Finding the Fourth Proportional to 51,079.56, 76,588.02 and 21,084.48

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Solution

The fourth proportional to 51,079.56, 76,588.02 and 21,084.48 is: 31,613.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,079.56 : 76,588.02 = 21,084.48 : x
  2. Step 2: Convert to fraction form
    51,079.56/76,588.02 = 21,084.48/x
  3. Step 3: Cross multiply
    51,079.56x = 76,588.02 × 21,084.48
  4. Step 4: Simplify right side
    51,079.56x = 1,614,818,575.93
  5. Step 5: Solve for x
    x = 1,614,818,575.93/51,079.56
  6. Step 6: Final answer
    x = 31,613.79

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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.