Home / 51,579.26-77,356.32-21,577.25

Finding the Fourth Proportional to 51,579.26, 77,356.32 and 21,577.25

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Solution

The fourth proportional to 51,579.26, 77,356.32 and 21,577.25 is: 32,360.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,579.26 : 77,356.32 = 21,577.25 : x
  2. Step 2: Convert to fraction form
    51,579.26/77,356.32 = 21,577.25/x
  3. Step 3: Cross multiply
    51,579.26x = 77,356.32 × 21,577.25
  4. Step 4: Simplify right side
    51,579.26x = 1,669,136,655.72
  5. Step 5: Solve for x
    x = 1,669,136,655.72/51,579.26
  6. Step 6: Final answer
    x = 32,360.62

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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.