Home / 51,818.27-77,701.84-21,827.03

Finding the Fourth Proportional to 51,818.27, 77,701.84 and 21,827.03

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Solution

The fourth proportional to 51,818.27, 77,701.84 and 21,827.03 is: 32,729.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,818.27 : 77,701.84 = 21,827.03 : x
  2. Step 2: Convert to fraction form
    51,818.27/77,701.84 = 21,827.03/x
  3. Step 3: Cross multiply
    51,818.27x = 77,701.84 × 21,827.03
  4. Step 4: Simplify right side
    51,818.27x = 1,696,000,392.74
  5. Step 5: Solve for x
    x = 1,696,000,392.74/51,818.27
  6. Step 6: Final answer
    x = 32,729.78

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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.