Home / 51,364.08-77,057.94-21,783.06

Finding the Fourth Proportional to 51,364.08, 77,057.94 and 21,783.06

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Solution

The fourth proportional to 51,364.08, 77,057.94 and 21,783.06 is: 32,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,364.08 : 77,057.94 = 21,783.06 : x
  2. Step 2: Convert to fraction form
    51,364.08/77,057.94 = 21,783.06/x
  3. Step 3: Cross multiply
    51,364.08x = 77,057.94 × 21,783.06
  4. Step 4: Simplify right side
    51,364.08x = 1,678,557,730.50
  5. Step 5: Solve for x
    x = 1,678,557,730.50/51,364.08
  6. Step 6: Final answer
    x = 32,679.60

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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.