Home / 51,579.52-77,373.40-21,997.62

Finding the Fourth Proportional to 51,579.52, 77,373.40 and 21,997.62

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Solution

The fourth proportional to 51,579.52, 77,373.40 and 21,997.62 is: 32,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,579.52 : 77,373.40 = 21,997.62 : x
  2. Step 2: Convert to fraction form
    51,579.52/77,373.40 = 21,997.62/x
  3. Step 3: Cross multiply
    51,579.52x = 77,373.40 × 21,997.62
  4. Step 4: Simplify right side
    51,579.52x = 1,702,030,651.31
  5. Step 5: Solve for x
    x = 1,702,030,651.31/51,579.52
  6. Step 6: Final answer
    x = 32,998.19

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1.5x scale

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.