Home / 51,803.22-71,486.36-29,142.66

Finding the Fourth Proportional to 51,803.22, 71,486.36 and 29,142.66

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Solution

The fourth proportional to 51,803.22, 71,486.36 and 29,142.66 is: 40,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,803.22 : 71,486.36 = 29,142.66 : x
  2. Step 2: Convert to fraction form
    51,803.22/71,486.36 = 29,142.66/x
  3. Step 3: Cross multiply
    51,803.22x = 71,486.36 × 29,142.66
  4. Step 4: Simplify right side
    51,803.22x = 2,083,302,684.12
  5. Step 5: Solve for x
    x = 2,083,302,684.12/51,803.22
  6. Step 6: Final answer
    x = 40,215.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.