Home / 51,883.71-77,793.58-20,256.95

Finding the Fourth Proportional to 51,883.71, 77,793.58 and 20,256.95

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Solution

The fourth proportional to 51,883.71, 77,793.58 and 20,256.95 is: 30,372.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,883.71 : 77,793.58 = 20,256.95 : x
  2. Step 2: Convert to fraction form
    51,883.71/77,793.58 = 20,256.95/x
  3. Step 3: Cross multiply
    51,883.71x = 77,793.58 × 20,256.95
  4. Step 4: Simplify right side
    51,883.71x = 1,575,860,660.38
  5. Step 5: Solve for x
    x = 1,575,860,660.38/51,883.71
  6. Step 6: Final answer
    x = 30,372.94

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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.