Home / 51,541.80-77,288.33-19,966.65

Finding the Fourth Proportional to 51,541.80, 77,288.33 and 19,966.65

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Solution

The fourth proportional to 51,541.80, 77,288.33 and 19,966.65 is: 29,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,541.80 : 77,288.33 = 19,966.65 : x
  2. Step 2: Convert to fraction form
    51,541.80/77,288.33 = 19,966.65/x
  3. Step 3: Cross multiply
    51,541.80x = 77,288.33 × 19,966.65
  4. Step 4: Simplify right side
    51,541.80x = 1,543,189,034.19
  5. Step 5: Solve for x
    x = 1,543,189,034.19/51,541.80
  6. Step 6: Final answer
    x = 29,940.53

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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.