Home / 52,593.08-78,920.84-21,018.06

Finding the Fourth Proportional to 52,593.08, 78,920.84 and 21,018.06

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Solution

The fourth proportional to 52,593.08, 78,920.84 and 21,018.06 is: 31,539.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,593.08 : 78,920.84 = 21,018.06 : x
  2. Step 2: Convert to fraction form
    52,593.08/78,920.84 = 21,018.06/x
  3. Step 3: Cross multiply
    52,593.08x = 78,920.84 × 21,018.06
  4. Step 4: Simplify right side
    52,593.08x = 1,658,762,950.37
  5. Step 5: Solve for x
    x = 1,658,762,950.37/52,593.08
  6. Step 6: Final answer
    x = 31,539.57

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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.