Home / 51,979.02-77,974.29-16,912.14

Finding the Fourth Proportional to 51,979.02, 77,974.29 and 16,912.14

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Solution

The fourth proportional to 51,979.02, 77,974.29 and 16,912.14 is: 25,370.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,979.02 : 77,974.29 = 16,912.14 : x
  2. Step 2: Convert to fraction form
    51,979.02/77,974.29 = 16,912.14/x
  3. Step 3: Cross multiply
    51,979.02x = 77,974.29 × 16,912.14
  4. Step 4: Simplify right side
    51,979.02x = 1,318,712,108.88
  5. Step 5: Solve for x
    x = 1,318,712,108.88/51,979.02
  6. Step 6: Final answer
    x = 25,370.08

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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.