Home / 51,817.83-77,726.68-20,674.95

Finding the Fourth Proportional to 51,817.83, 77,726.68 and 20,674.95

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Solution

The fourth proportional to 51,817.83, 77,726.68 and 20,674.95 is: 31,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,817.83 : 77,726.68 = 20,674.95 : x
  2. Step 2: Convert to fraction form
    51,817.83/77,726.68 = 20,674.95/x
  3. Step 3: Cross multiply
    51,817.83x = 77,726.68 × 20,674.95
  4. Step 4: Simplify right side
    51,817.83x = 1,606,995,222.67
  5. Step 5: Solve for x
    x = 1,606,995,222.67/51,817.83
  6. Step 6: Final answer
    x = 31,012.40

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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.