Home / 51,816.83-77,725.18-20,673.95

Finding the Fourth Proportional to 51,816.83, 77,725.18 and 20,673.95

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Solution

The fourth proportional to 51,816.83, 77,725.18 and 20,673.95 is: 31,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,816.83 : 77,725.18 = 20,673.95 : x
  2. Step 2: Convert to fraction form
    51,816.83/77,725.18 = 20,673.95/x
  3. Step 3: Cross multiply
    51,816.83x = 77,725.18 × 20,673.95
  4. Step 4: Simplify right side
    51,816.83x = 1,606,886,485.06
  5. Step 5: Solve for x
    x = 1,606,886,485.06/51,816.83
  6. Step 6: Final answer
    x = 31,010.90

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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.