Home / 51,654.42-77,511.54-21,665.99

Finding the Fourth Proportional to 51,654.42, 77,511.54 and 21,665.99

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Solution

The fourth proportional to 51,654.42, 77,511.54 and 21,665.99 is: 32,511.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,654.42 : 77,511.54 = 21,665.99 : x
  2. Step 2: Convert to fraction form
    51,654.42/77,511.54 = 21,665.99/x
  3. Step 3: Cross multiply
    51,654.42x = 77,511.54 × 21,665.99
  4. Step 4: Simplify right side
    51,654.42x = 1,679,364,250.52
  5. Step 5: Solve for x
    x = 1,679,364,250.52/51,654.42
  6. Step 6: Final answer
    x = 32,511.53

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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.