Home / 51,582.53-77,400.45-21,992.42

Finding the Fourth Proportional to 51,582.53, 77,400.45 and 21,992.42

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Solution

The fourth proportional to 51,582.53, 77,400.45 and 21,992.42 is: 33,000.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,582.53 : 77,400.45 = 21,992.42 : x
  2. Step 2: Convert to fraction form
    51,582.53/77,400.45 = 21,992.42/x
  3. Step 3: Cross multiply
    51,582.53x = 77,400.45 × 21,992.42
  4. Step 4: Simplify right side
    51,582.53x = 1,702,223,398.09
  5. Step 5: Solve for x
    x = 1,702,223,398.09/51,582.53
  6. Step 6: Final answer
    x = 33,000.00

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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.