Home / 51,881.72-77,833.53-16,818.66

Finding the Fourth Proportional to 51,881.72, 77,833.53 and 16,818.66

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Solution

The fourth proportional to 51,881.72, 77,833.53 and 16,818.66 is: 25,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,881.72 : 77,833.53 = 16,818.66 : x
  2. Step 2: Convert to fraction form
    51,881.72/77,833.53 = 16,818.66/x
  3. Step 3: Cross multiply
    51,881.72x = 77,833.53 × 16,818.66
  4. Step 4: Simplify right side
    51,881.72x = 1,309,055,677.67
  5. Step 5: Solve for x
    x = 1,309,055,677.67/51,881.72
  6. Step 6: Final answer
    x = 25,231.54

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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.