Home / 51,543.25-71,134.21-30,031.88

Finding the Fourth Proportional to 51,543.25, 71,134.21 and 30,031.88

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Solution

The fourth proportional to 51,543.25, 71,134.21 and 30,031.88 is: 41,446.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,543.25 : 71,134.21 = 30,031.88 : x
  2. Step 2: Convert to fraction form
    51,543.25/71,134.21 = 30,031.88/x
  3. Step 3: Cross multiply
    51,543.25x = 71,134.21 × 30,031.88
  4. Step 4: Simplify right side
    51,543.25x = 2,136,293,766.17
  5. Step 5: Solve for x
    x = 2,136,293,766.17/51,543.25
  6. Step 6: Final answer
    x = 41,446.63

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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.