Home / 51,701.64-77,540.94-20,528.52

Finding the Fourth Proportional to 51,701.64, 77,540.94 and 20,528.52

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Solution

The fourth proportional to 51,701.64, 77,540.94 and 20,528.52 is: 30,788.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,701.64 : 77,540.94 = 20,528.52 : x
  2. Step 2: Convert to fraction form
    51,701.64/77,540.94 = 20,528.52/x
  3. Step 3: Cross multiply
    51,701.64x = 77,540.94 × 20,528.52
  4. Step 4: Simplify right side
    51,701.64x = 1,591,800,737.61
  5. Step 5: Solve for x
    x = 1,591,800,737.61/51,701.64
  6. Step 6: Final answer
    x = 30,788.21

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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.