Home / 51,970.94-77,949.22-18,686.22

Finding the Fourth Proportional to 51,970.94, 77,949.22 and 18,686.22

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Solution

The fourth proportional to 51,970.94, 77,949.22 and 18,686.22 is: 28,026.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,970.94 : 77,949.22 = 18,686.22 : x
  2. Step 2: Convert to fraction form
    51,970.94/77,949.22 = 18,686.22/x
  3. Step 3: Cross multiply
    51,970.94x = 77,949.22 × 18,686.22
  4. Step 4: Simplify right side
    51,970.94x = 1,456,576,273.75
  5. Step 5: Solve for x
    x = 1,456,576,273.75/51,970.94
  6. Step 6: Final answer
    x = 28,026.74

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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.