Home / 51,264.20-76,873.17-21,666.80

Finding the Fourth Proportional to 51,264.20, 76,873.17 and 21,666.80

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Solution

The fourth proportional to 51,264.20, 76,873.17 and 21,666.80 is: 32,490.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,264.20 : 76,873.17 = 21,666.80 : x
  2. Step 2: Convert to fraction form
    51,264.20/76,873.17 = 21,666.80/x
  3. Step 3: Cross multiply
    51,264.20x = 76,873.17 × 21,666.80
  4. Step 4: Simplify right side
    51,264.20x = 1,665,595,599.76
  5. Step 5: Solve for x
    x = 1,665,595,599.76/51,264.20
  6. Step 6: Final answer
    x = 32,490.42

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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.